diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..6e4f60a
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,118 @@
+version: 2.1
+commands:
+  setup_environment:
+    description: "Setup testing environment"
+    parameters:
+      cache_key:
+        type: string
+        default: algo3-backend-cache
+    steps:
+      - run: set -e
+      - setup_remote_docker
+      - run:
+          name: Prepare environment and install dependencies
+          command: |
+            export SCCACHE_CACHE_SIZE=200M
+            export WORK_DIR="$CIRCLE_WORKING_DIRECTORY/.cache/sccache"
+            export SCCACHE_DIR="$CIRCLE_WORKING_DIRECTORY/.cache/sccache"
+            mkdir -p "$CIRCLE_WORKING_DIRECTORY/.bin"
+            wget https://github.com/mozilla/sccache/releases/download/0.2.13/sccache-0.2.13-x86_64-unknown-linux-musl.tar.gz
+            tar -C "$CIRCLE_WORKING_DIRECTORY/.bin" -xvf sccache-0.2.13-x86_64-unknown-linux-musl.tar.gz
+            mv $CIRCLE_WORKING_DIRECTORY/.bin/sccache-0.2.13-x86_64-unknown-linux-musl/sccache $CIRCLE_WORKING_DIRECTORY/.bin/sccache
+            export PATH="$PATH:$CIRCLE_WORKING_DIRECTORY/.bin"
+            export RUSTC_WRAPPER="sccache"
+            rm -rf "$CIRCLE_WORKING_DIRECTORY/.cargo/registry"
+            sudo apt-get update && sudo apt-get install -y clang llvm-dev llvm pkg-config xz-utils make libssl-dev libssl-dev
+      - restore_cache:
+          keys:
+            - << parameters.cache_key >>
+
+  clear_environment:
+    description: "Clear environment"
+    parameters:
+      cache_key:
+        type: string
+        default: algo3-backend-cache
+    steps:
+      - run: (sccache -s||true)
+      - run: set +e
+      - save_cache:
+          key: << parameters.cache_key >>
+          paths:
+            - .cache/sccache
+            - .cargo
+
+  run_parallel:
+    description: "Build and run tests (in parallel)"
+    parameters:
+      workspace_member:
+        type: string
+    steps:
+      - run:
+          no_output_timeout: 30m
+          command: |
+            cd << parameters.workspace_member >>
+            cargo test -- --list --format terse | sed 's/: test//' > test_names.txt
+            TEST_NAMES=$(circleci tests split test_names.txt)
+            for i in $(echo $TEST_NAMES | sed "s/ / /g")
+            do
+                RUST_MIN_STACK=8388608 cargo test --workspace $i
+            done
+  install_rust_nightly:
+    description: "Install Rust nightly toolchain"
+    steps:
+      - run: rustup toolchain install nightly-x86_64-unknown-linux-gnu
+
+jobs:
+  tests:
+    docker:
+      - image: cimg/rust:1.63.0
+    resource_class: xlarge
+    parallelism: 20
+    steps:
+      - checkout
+      - setup_environment:
+          cache_key: algo3-backend-cache
+      - run_parallel:
+          workspace_member: .
+      - clear_environment:
+          cache_key: algo3-backend-cache
+
+  fmt:
+    docker:
+      - image: cimg/rust:1.63.0
+    resource_class: xlarge
+    steps:
+      - checkout
+      - install_rust_nightly
+      - setup_environment:
+          cache_key: algo3-backend-fmt-cache
+      - run:
+          name: Check style
+          no_output_timeout: 35m
+          command: cargo +nightly fmt --all -- --check
+      - clear_environment:
+          cache_key: algo3-backend-fmt-cache
+
+  clippy:
+    docker:
+      - image: cimg/rust:1.63.0
+    resource_class: xlarge
+    steps:
+      - checkout
+      - install_rust_nightly
+      - setup_environment:
+          cache_key: algo3-backend-clippy-cache
+      - run:
+          name: Check style
+          no_output_timeout: 35m
+          command: cargo +nightly clippy --workspace --all-targets
+      - clear_environment:
+          cache_key: algo3-backend-clippy-cache
+
+workflows:
+  main-workflow:
+    jobs:
+      - tests
+      - fmt
+      - clippy
diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
new file mode 100644
index 0000000..11d6b61
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE.md
@@ -0,0 +1,3 @@
+## 👉 [Usá una de estas plantillas de issues](https://github.com/algoritmos-iii/algo3-discord-bot/issues/new/choose) 👈
+
+Nota: para mantener el trabajo pendiente limpio y procesable, los problemas pueden cerrarse de inmediato si no siguen una de las plantillas de problemas anteriores.
diff --git a/.github/ISSUE_TEMPLATE/bug.md b/.github/ISSUE_TEMPLATE/bug.md
new file mode 100644
index 0000000..d6841ba
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug.md
@@ -0,0 +1,41 @@
+---
+name: 🐛 Reporte de Bug
+about: Enviar un informe de error si algo no funciona
+title: "[Bug]"
+labels: bug
+---
+
+## 🐛 Reporte de Bug
+
+<!--
+    ¿Cuál es el bug que encontraste?
+    ¿Qué tan serio es este bug y qué afecta?
+-->
+
+(Escribí una breve descripción acá)
+
+## Pasos para reproducir el bug
+
+<!--
+    ¿Cómo hago para reproducir el bug?
+    ¿Qué mensajes de error aparecen?
+-->
+
+1. Paso 1...
+2. Paso 2...
+3. Paso 3...
+
+## Comportamiento Esperado
+
+<!--
+    ¿Qué comportamiento esperabas que el bot tuviera?
+    ¿Qué pasó en su lugar?
+-->
+
+(Escribí lo que esperabas que pase acá)
+
+## Tu entorno
+
+- <!-- Versión del bot -->
+- <!-- package.json -->
+- <!-- Sistema Operativo -->
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
new file mode 100644
index 0000000..1e92097
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/config.yml
@@ -0,0 +1,5 @@
+blank_issues_enabled: true
+contact_links:
+  - name: ❓ Algoritmos y Programación 3 - Leveroni
+    url: https://algoritmos-iii.github.io/#canales-consultas
+    about: Canales de consulta
diff --git a/.github/ISSUE_TEMPLATE/documentation.md b/.github/ISSUE_TEMPLATE/documentation.md
new file mode 100644
index 0000000..4667dd3
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/documentation.md
@@ -0,0 +1,15 @@
+---
+name: 📚 Documentación
+about: Cree un issue relacionado a documentación
+title: "[Docs]"
+labels: 'documentation'
+---
+
+## 📚 Documentación
+
+<!--
+    ¿Encontraste algún problema en la documentación?
+    ¿Hay documentación que quieras agregar que no haya?
+-->
+
+(Escribí tu propuesta acá)
diff --git a/.github/ISSUE_TEMPLATE/feature.md b/.github/ISSUE_TEMPLATE/feature.md
new file mode 100644
index 0000000..bdd9ab1
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/feature.md
@@ -0,0 +1,34 @@
+---
+name:  🚀 Feature
+about: Enviar una nueva solicitud de feature
+title: "[Feature]"
+labels: feature
+---
+
+## 🚀 Feature
+
+<!--
+    ¿Qué feature te gustaría ver en el backend de la cátedra?
+-->
+
+(Escribí una breve descripción acá)
+
+## Motivación
+
+<!--
+    ¿Por qué esta feature debería implementarse?
+    ¿Cómo se usaría esta feature?
+    
+    ¿Está esta feature relacionada con algún problema? Si es así, por favor describa.
+    Por favor incluye una lista de los PRs o issues relacionados.
+-->
+
+(Escribí tu motivación acá)
+
+## Implementación
+
+<!--
+    ¿Cómo implementarías esta feature?
+    ¿Qué componentes del bot se verían afectado (si es que los hay)?
+    ¿Qué cambios tendrías que hacer en el código?
+-->
diff --git a/.github/ISSUE_TEMPLATE/proposal.md b/.github/ISSUE_TEMPLATE/proposal.md
new file mode 100644
index 0000000..52b61c3
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/proposal.md
@@ -0,0 +1,16 @@
+---
+name: 💥 Propuesta
+about: Proponer un cambio no trivial en el backend de la cátedra
+title: "[Propuesta]"
+labels: 'propuesta'
+---
+
+## 💥 Propuesta
+
+<!--
+    ¿Cuál es tu propuesta para el backend de la cátedra?
+    ¿Cuáles son las implicaciones de la propuesta?
+    ¿Tu propuesta afecta a algo ya existente en el código?
+-->
+
+(Escribí tu propuesta acá)
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..29a8472
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,22 @@
+<!-- Gracias por prerparar un PR! Ayudanos a entender explicando tus cambios. Feliz contribución! -->
+
+## PRs relacionados
+
+<!--
+    Si este PR agrega funcionalidad, corrige algún error, agrega documentación
+    o modifica algo que ya existe, puedes agregar una lista de PRs relacionados.
+    (Se recomienda leer https://docs.github.com/es/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue)
+-->
+
+(Escribí los links a los PRs relacionados acá)
+
+## Motivación
+
+(Escribí tu motivación acá)
+
+## Plan de Tests
+
+<!-- Si cambiaste código, contános cómo verificaste el funcionamiento de dicho cambio. -->
+
+(Escribí tu plan de tests acá)
+
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..be7e177
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,14 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "10:00"
+  target-branch: "main"
+  open-pull-requests-limit: 10
diff --git a/.gitignore b/.gitignore
index 088ba6b..f2e972d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,9 +2,5 @@
 # will have compiled files and executables
 /target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 # These are backup files generated by rustfmt
 **/*.rs.bk
diff --git a/.rusty-hook.toml b/.rusty-hook.toml
new file mode 100644
index 0000000..9c57cee
--- /dev/null
+++ b/.rusty-hook.toml
@@ -0,0 +1,5 @@
+[hooks]
+pre-commit = "cargo +nightly clippy && cargo +nightly fmt --all -- --check"
+
+[logging]
+verbose = true
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..4654daf
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,2001 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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+
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+
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..f689eeb
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,46 @@
+[package]
+name = "algo3_backend"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[dependencies.anyhow]
+version = "1"
+
+[dependencies.clap]
+version = "3"
+features = ["derive"]
+
+[dependencies.indexmap]
+version = "1"
+features = ["rayon", "serde"]
+
+[dependencies.num_cpus]
+version = "1"
+
+[dependencies.rayon]
+version = "1"
+
+[dependencies.reqwest]
+version = "0.11"
+
+[dependencies.serde]
+version = "1"
+features = ["derive"]
+
+[dependencies.select]
+version = "0.5"
+
+[dependencies.serde_json]
+version = "1"
+features = ["arbitrary_precision"]
+
+[dependencies.tokio]
+version = "1"
+features = ["full"]
+
+[dependencies.warp]
+version = "0.3"
+
+[dev-dependencies.rusty-hook]
+version = "0.11.2"
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..efeb222
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,28 @@
+DOMAIN?=localhost
+PORT?=8080
+GROUP?=0
+HELPER?=Ayudante
+
+run:
+	cargo run --release -- --port=${PORT}
+
+test:
+	cargo test
+
+test_enqueue_help:
+	curl --location --request POST "${DOMAIN}:${PORT}/api/discord/v1/enqueue_help" -H "Content-Type: application/json" -d '{"group": ${GROUP}, "voice_channel": 887022804183175188}'
+
+test_get_next:
+	curl --location --request GET "${DOMAIN}:${PORT}/api/discord/v1/next" -H 'Content-Type: application/json' -d '"${HELPER}"'
+
+test_dismiss:
+	curl --location --request POST "${DOMAIN}:${PORT}/api/discord/v1/dismiss_help" -H 'Content-Type: application/json' -d '${GROUP}'
+
+test_clear:
+	curl --location --request PATCH "${DOMAIN}:${PORT}/api/discord/v1/clear_help_queue"
+
+test_get_queue:
+	curl --location --request GET "${DOMAIN}:${PORT}/api/discord/v1/help_queue"
+
+test_get_papers:
+	curl --location --request GET "${DOMAIN}:${PORT}/api/discord/v1/papers"
diff --git a/README.md b/README.md
index e4564b5..7e62f9e 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,71 @@
-# algo3_backend
\ No newline at end of file
+# algo3_backend
+
+## Prerrequisitos 
+
+Debes tener Rust instalado. Para instalarlo ejecutá los siguientes comandos.
+
+```bash
+curl https://sh.rustup.rs -sSf | sh -s -- -y
+
+source "$HOME/.cargo/env"
+```
+
+## Build and Run
+
+Ejecutar el siguiente comando compilará y ejecutará el binario que estará escuchando requests en el puerto `8080` en `localhost` por default.
+
+```bash
+make run
+```
+
+La directiva de arriba admite las siguientes opciones:
+- `DOMAIN`: el dominio en el que se alojará el backend. Es `http://127.0.0.1` por defecto (en un futuro `https`).
+- `PORT`: el puerto en el que el backend escuchará requests. Es `8080` por defecto.
+
+## Para probar
+
+El `Makefile` dispone de las siguientes directivas para jugar un poco con la API:
+
+```bash
+make test_enqueue_help
+make test_get_next
+make test_dismiss 
+make test_clear
+make test_get_queue
+```
+
+Todas las directivas de arriba tienen como opciones opcionales `DOMAIN` y `PORT` exceptuando a las siguientes:
+
+- `test_enqueue_help` admite opcionalmente la opción `GROUP` para indicar el grupo que pide ayuda. Por defecto es `0`.
+- `test_get_next` admite opcionalmente la opción `HELPER` para indicar el ayudante que brinda la ayuda. Por defecto es `Ayudante`.
+- `test_dismiss_help` admite opcionalmente la opción `GROUP` para indicar el grupo que desestima la ayuda. Por defecto es `0`.
+
+## Para correr los tests
+
+Para correr la suite de tests corré el siguiente comando en consola:
+
+```bash
+make test
+```
+
+## Convenciones de código
+
+1. Las dependencias deben estar ordenadas alfabeticamente por tipo de dependencia:
+    ```toml
+    [dependencies.crate]
+
+    [dev-dependencies.crate]
+    ```
+    Si se quisieran agregar features, binarios o libs estos deben ir al final estando primero los libs, luego los binarios y luego los features. Si se deben agregar otro tipo de labels deben ir al final.
+2. Todos los endpoints deben ser testeados.
+3. Al importar crates, ordénelos en 2 secciones alfabeticamente de la siguiente manera:
+    ```rust
+    // SECCIÓN 1: Nuestros paquetes primero (en orden alfabetico):
+    use crate::Foo;
+
+    // SECCIÓN 2: Otros paquetes (en orden alfabetico):
+    use core::Foo;
+    use serde::Bar;
+    use std::Baz;
+    ```
+4. Cuando escribas tests, nombralos como `#[test] fn test_xx()`. Para funciones auxiliares, nombralas como `fn xx_test()`.
diff --git a/src/help_queue.rs b/src/help_queue.rs
new file mode 100644
index 0000000..3d60125
--- /dev/null
+++ b/src/help_queue.rs
@@ -0,0 +1,290 @@
+use anyhow::{bail, Result};
+use indexmap::IndexMap;
+use std::sync::{Arc, RwLock};
+
+/// Shorthand for the group number.
+type Group = u16;
+/// Shorthand for discord's voice channel id.
+type VoiceChannel = u64;
+
+/// The help queue.
+#[derive(Debug)]
+pub struct HelpQueue {
+    queue: RwLock<IndexMap<Group, (VoiceChannel, usize)>>,
+    // TODO: Implement logger
+    // logger
+}
+
+impl HelpQueue {
+    pub fn new() -> Result<Arc<Self>> {
+        Ok(Arc::new(Self {
+            queue: RwLock::new(IndexMap::new()),
+        }))
+    }
+
+    /// Pushes a requester to the help queue.
+    pub async fn enqueue(&self, group: Group, voice_channel: VoiceChannel) -> Result<()> {
+        println!("Enqueueing group {}", group);
+        let last_position = match self.len() {
+            Ok(position) => position,
+            Err(error) => bail!(error.to_string()),
+        };
+        match self.queue.write() {
+            Ok(mut queue) => match queue.insert(group, (voice_channel, last_position)) {
+                Some(_) => bail!("Group {group} already in queue"),
+                None => Ok(()),
+            },
+            Err(error) => bail!(error.to_string()),
+        }
+    }
+
+    /// Returns the next group in the help queue.
+    pub async fn next(&self, helper: String) -> Result<(Group, VoiceChannel)> {
+        let next = match self.queue.read() {
+            Ok(queue) => {
+                let aux_queue = queue.clone();
+                match aux_queue.iter().min_by(|a, b| a.1 .1.cmp(&b.1 .1)) {
+                    Some(next) => *next.0,
+                    None => bail!("No group in queue"),
+                }
+            }
+            Err(error) => bail!(error.to_string()),
+        };
+
+        print!("{} helped group {}", helper, next);
+
+        self.remove(next).await
+        // TODO: Log help.
+    }
+
+    /// Removes the dismisser from the help queue.
+    pub async fn dismiss(&self, dismisser: Group) -> Result<(Group, VoiceChannel)> {
+        println!("Dismissing group {} help request", dismisser);
+        self.remove(dismisser).await
+        // TODO: Log dismissal.
+    }
+
+    /// Clears the help queue.
+    pub async fn clear(&self) -> Result<()> {
+        match self.queue.write() {
+            Ok(mut queue) => queue.clear(),
+            Err(error) => bail!(error.to_string()),
+        }
+        Ok(())
+    }
+
+    /// Returns the length of the help queue.
+    pub fn len(&self) -> Result<usize> {
+        match self.queue.read() {
+            Ok(queue) => Ok(queue.len()),
+            Err(error) => bail!(error.to_string()),
+        }
+    }
+
+    /// Returns whether the queue is empty or not.
+    pub fn is_empty(&self) -> Result<bool> {
+        match self.queue.read() {
+            Ok(queue) => Ok(queue.is_empty()),
+            Err(error) => bail!(error.to_string()),
+        }
+    }
+
+    /// Returns the help queue in order.
+    pub fn sorted(&self) -> Result<impl Iterator<Item = Group>> {
+        match self.queue.read() {
+            Ok(queue) => {
+                let aux_queue = queue.clone();
+                let sorted_scores = aux_queue
+                    .sorted_by(|_, (_, position_1), _, (_, position_2)| position_1.cmp(position_2))
+                    .map(|(group, _)| group);
+                Ok(sorted_scores)
+            }
+            Err(error) => bail!(error.to_string()),
+        }
+    }
+
+    /// Removes a group from the help queue.
+    async fn remove(&self, group: Group) -> Result<(Group, VoiceChannel)> {
+        println!("Removing group {}", group);
+        match self.queue.write().unwrap().remove(&group) {
+            Some((voice_channel, _)) => Ok((group, voice_channel)),
+            None => bail!("Group not in queue"),
+        }
+    }
+}
+
+// TODO: Solve 'Cannot start a runtime from within a runtime. This happens
+// because a function (like `block_on`) attempted to block the current thread
+// while the thread is being used to drive asynchronous tasks.'
+#[cfg(test)]
+mod help_queue_tests {
+    use super::*;
+
+    #[test]
+    fn test01_help_queue_should_be_empty_when_created() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+
+        assert!(queue.is_empty().is_ok());
+        assert!(queue.is_empty().unwrap());
+    }
+
+    #[tokio::test]
+    async fn test02_help_queue_should_not_be_empty_after_enqueueing() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error creating the help queue");
+
+        assert!(queue.len().is_ok());
+        assert_eq!(queue.len().unwrap(), 1);
+        assert!(queue.is_empty().is_ok());
+        assert!(!queue.is_empty().unwrap());
+    }
+
+    #[tokio::test]
+    async fn test03_next_in_queue_should_be_the_last_enqueued() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error enqueueing help");
+
+        let expected_result = queue.next("Ivan".to_string()).await;
+
+        if let Ok((group, voice_channel)) = expected_result {
+            assert_eq!(queue.len().unwrap(), 0);
+            assert_eq!(group, 1);
+            assert_eq!(voice_channel, 887022804183175188);
+        }
+    }
+
+    #[tokio::test]
+    async fn test04_more_than_one_group_can_request_for_help() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error enqueueing help");
+        queue
+            .enqueue(2, 887022804183175189)
+            .await
+            .expect("Error enqueueing help");
+
+        assert_eq!(queue.len().unwrap(), 2);
+    }
+
+    #[tokio::test]
+    async fn test05_queue_behaves_fifo() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error enqueueing help");
+        queue
+            .enqueue(2, 887022804183175189)
+            .await
+            .expect("Error enqueueing help");
+
+        let expected_result = queue.next("Ivan".to_string()).await;
+        let other_expected_result = queue.next("Ivan".to_string()).await;
+
+        assert_eq!(queue.len().unwrap(), 0);
+        if let Ok((group, voice_channel)) = expected_result {
+            assert_eq!(group, 1);
+            assert_eq!(voice_channel, 887022804183175188);
+        }
+        if let Ok((group, voice_channel)) = other_expected_result {
+            assert_eq!(group, 2);
+            assert_eq!(voice_channel, 887022804183175189);
+        }
+    }
+
+    #[tokio::test]
+    async fn test06_cannot_enqueue_the_same_group_twice() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error enqueueing help");
+
+        let expected_result = queue.enqueue(1, 887022804183175189).await;
+
+        assert_eq!(queue.len().unwrap(), 1);
+        assert!(expected_result.is_err());
+    }
+
+    #[tokio::test]
+    async fn test07_there_is_no_next_in_an_empty_queue() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+
+        let expected_result = queue.next("Ivan".to_string()).await;
+
+        assert!(expected_result.is_err());
+    }
+
+    #[tokio::test]
+    async fn test08_queue_is_empty_after_clearing() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error enqueueing help");
+
+        let expected_result = queue.clear().await;
+
+        assert_eq!(queue.len().unwrap(), 0);
+        assert!(expected_result.is_ok());
+        assert!(queue.is_empty().unwrap());
+    }
+
+    #[tokio::test]
+    async fn test09_requesters_can_dismiss_their_request() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error enqueueing help");
+
+        let expected_result = queue.dismiss(1).await;
+
+        assert_eq!(queue.len().unwrap(), 0);
+        assert!(expected_result.is_ok());
+        assert_eq!(expected_result.unwrap(), (1, 887022804183175188));
+    }
+
+    #[tokio::test]
+    async fn test10_requesters_cannot_dismiss_if_they_did_not_request_for_help() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+
+        let expected_result = queue.dismiss(2).await;
+
+        assert!(expected_result.is_err());
+    }
+
+    #[tokio::test]
+    async fn test11_groups_that_requested_for_help_can_be_retrieved_sorted() {
+        let queue = HelpQueue::new().expect("Error creating the help queue");
+        queue
+            .enqueue(1, 887022804183175188)
+            .await
+            .expect("Error enqueueing help");
+        queue
+            .enqueue(2, 887022804183175189)
+            .await
+            .expect("Error enqueueing help");
+        queue
+            .enqueue(3, 887022804183175190)
+            .await
+            .expect("Error enqueueing help");
+
+        let expected_result = queue.sorted();
+
+        assert!(expected_result.is_ok());
+        assert_eq!(
+            expected_result.unwrap().collect::<Vec<u16>>(),
+            vec![1, 2, 3]
+        );
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..5f0f962
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,3 @@
+pub mod help_queue;
+
+pub mod web_server;
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..57ac459
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,10 @@
+use algo3_backend::web_server::{ServerArguments, WebServer};
+
+use clap::Parser;
+
+fn main() {
+    match WebServer::start(ServerArguments::parse()) {
+        Ok(_) => {}
+        Err(error) => eprintln!("Error al correr el servidor: {}", error),
+    }
+}
diff --git a/src/web_server.rs b/src/web_server.rs
new file mode 100644
index 0000000..282801f
--- /dev/null
+++ b/src/web_server.rs
@@ -0,0 +1,269 @@
+use crate::help_queue::HelpQueue;
+
+use anyhow::{bail, Result};
+use clap::Parser;
+use select::{document::Document, predicate::Name};
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+use tokio::task::JoinHandle;
+use warp::{hyper::StatusCode, reject, reply, Filter, Rejection, Reply};
+
+#[derive(Serialize, Deserialize)]
+struct Requester {
+    group: u16,
+    voice_channel: u64,
+}
+
+#[derive(Serialize, Deserialize)]
+struct Papers {
+    name: String,
+    url: String,
+}
+
+/// An enum of error handlers for the server.
+#[derive(Debug)]
+enum ServerError {
+    Request(String),
+}
+
+impl reject::Reject for ServerError {}
+
+/// A trait to unwrap a `Result` or `Reject`.
+pub trait OrReject<T> {
+    /// Returns the result if it is successful, otherwise returns a rejection.
+    fn or_reject(self) -> Result<T, Rejection>;
+}
+
+impl<T> OrReject<T> for anyhow::Result<T> {
+    /// Returns the result if it is successful, otherwise returns a rejection.
+    fn or_reject(self) -> Result<T, Rejection> {
+        self.map_err(|e| reject::custom(ServerError::Request(e.to_string())))
+    }
+}
+
+/// An enum of requests that the `HelpQueue` struct processes.
+#[derive(Debug)]
+pub enum HelpQueueRequest {
+    Request((u16, u64)),
+    Provide(String),
+    Dismiss(u16),
+}
+
+/// Arguments that serve as config for the server.
+#[derive(Parser, Debug)]
+#[clap(author, version, about, long_about = None)]
+pub struct ServerArguments {
+    #[clap(short, long, value_parser, default_value = "http://127.0.0.1")]
+    domain: String,
+    #[clap(short, long, value_parser, default_value_t = 8080)]
+    port: u16,
+}
+
+impl Clone for ServerArguments {
+    fn clone(&self) -> Self {
+        Self {
+            domain: self.domain.clone(),
+            port: self.port,
+        }
+    }
+}
+
+impl Default for ServerArguments {
+    fn default() -> Self {
+        Self {
+            domain: "http://127.0.0.1".to_string(),
+            port: 8080,
+        }
+    }
+}
+
+/// A middleware to include the given item in the handler.
+fn with<T: Clone + Send>(
+    item: T,
+) -> impl Filter<Extract = (T,), Error = std::convert::Infallible> + Clone {
+    warp::any().map(move || item.clone())
+}
+
+/// A server for the help queue.
+#[allow(dead_code)]
+#[derive(Debug)]
+pub struct WebServer {
+    help_queue: Arc<HelpQueue>,
+    runtime: tokio::runtime::Runtime,
+    args: ServerArguments,
+}
+
+impl WebServer {
+    /// Initializes a new instance of the server.
+    pub fn start(args: ServerArguments) -> Result<Self> {
+        // Initialize a runtime.
+        let runtime = tokio::runtime::Builder::new_multi_thread()
+            .enable_all()
+            .thread_stack_size(8 * 1024 * 1024)
+            .build()?;
+
+        let help_queue = match HelpQueue::new() {
+            Ok(help_queue) => help_queue,
+            Err(error) => bail!(error.to_string()),
+        };
+
+        let serve_args = args.clone();
+        let queue = help_queue.clone();
+        // Initialize the server.
+        runtime.block_on(async move {
+            let _ = Self::start_server(queue, serve_args).await;
+        });
+
+        Ok(Self {
+            help_queue,
+            runtime,
+            args,
+        })
+    }
+
+    fn start_server(help_queue: Arc<HelpQueue>, args: ServerArguments) -> JoinHandle<()> {
+        // Prepare the list of routes.
+        let routes = Self::routes(help_queue);
+        tokio::spawn(async move {
+            // Start the server.
+            println!("\n🌐 Server is running at {}:{}\n", args.domain, args.port);
+            warp::serve(routes).run(([127, 0, 0, 1], args.port)).await;
+        })
+    }
+
+    fn routes(
+        help_queue: Arc<HelpQueue>,
+    ) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+        // GET /api/discord/v1/next
+        let next = warp::get()
+            .and(warp::path!("api" / "discord" / "v1" / "next"))
+            .and(warp::body::content_length_limit(64))
+            .and(warp::body::json())
+            .and(with(help_queue.clone()))
+            .and_then(Self::next);
+
+        // POST /api/discord/v1/dismiss_help
+        let dismiss_help = warp::get()
+            .and(warp::path!("api" / "discord" / "v1" / "dismiss_help"))
+            .and(warp::body::content_length_limit(2))
+            .and(warp::body::json())
+            .and(with(help_queue.clone()))
+            .and_then(Self::dismiss_help);
+
+        // POST /api/discord/v1/enqueue_help
+        let request_help = warp::post()
+            .and(warp::path!("api" / "discord" / "v1" / "enqueue_help"))
+            .and(warp::body::content_length_limit(10 * 1024 * 1024))
+            .and(warp::body::json())
+            .and(with(help_queue.clone()))
+            .and_then(Self::request_help);
+
+        // PATCH /api/discord/v1/clear_help_queue
+        let clear_queue = warp::patch()
+            .and(warp::path!("api" / "discord" / "v1" / "clear_help_queue"))
+            .and(with(help_queue.clone()))
+            .and_then(Self::clear_help_queue);
+
+        // GET /api/discord/v1/help_queue
+        let get_help_queue = warp::get()
+            .and(warp::path!("api" / "discord" / "v1" / "help_queue"))
+            .and(with(help_queue))
+            .and_then(Self::get_help_queue);
+
+        // GET /api/discord/v1/papers
+        let get_papers = warp::get()
+            .and(warp::path!("api" / "discord" / "v1" / "papers"))
+            .and_then(Self::get_papers);
+
+        // Return the list of routes.
+        next.or(dismiss_help)
+            .or(request_help)
+            .or(clear_queue)
+            .or(get_help_queue)
+            .or(get_papers)
+    }
+
+    /// Returns the next group in the help queue.
+    async fn next(helper: String, help_queue: Arc<HelpQueue>) -> Result<impl Reply, Rejection> {
+        let (group, voice_channel) = help_queue.next(helper).await.or_reject()?;
+        Ok(reply::with_status(
+            reply::json(&serde_json::json!({"group": group, "voice_channel": voice_channel})),
+            StatusCode::OK,
+        ))
+    }
+
+    /// Removes the dismisser from the help queue.
+    async fn dismiss_help(
+        dismisser: u16,
+        help_queue: Arc<HelpQueue>,
+    ) -> Result<impl Reply, Rejection> {
+        let (group, voice_channel) = help_queue.dismiss(dismisser).await.or_reject()?;
+        Ok(reply::with_status(
+            reply::json(&serde_json::json!({"group": group, "voice_channel": voice_channel})),
+            StatusCode::OK,
+        ))
+    }
+
+    /// Pushes a requester to the help queue.
+    async fn request_help(
+        requester: Requester,
+        help_queue: Arc<HelpQueue>,
+    ) -> Result<impl Reply, Rejection> {
+        help_queue
+            .enqueue(requester.group, requester.voice_channel)
+            .await
+            .or_reject()?;
+        Ok(reply::with_status(reply::reply(), StatusCode::OK))
+    }
+
+    /// Clears the help queue.
+    async fn clear_help_queue(help_queue: Arc<HelpQueue>) -> Result<impl Reply, Rejection> {
+        help_queue.clear().await.or_reject()?;
+        Ok(reply::with_status(reply::reply(), StatusCode::OK))
+    }
+
+    /// Returns the help queue in order.
+    async fn get_help_queue(help_queue: Arc<HelpQueue>) -> Result<impl Reply, Rejection> {
+        let queue: Vec<u16> = help_queue.sorted().or_reject()?.collect();
+        Ok(reply::with_status(reply::json(&queue), StatusCode::OK))
+    }
+    /// Create papers.json
+    async fn get_papers() -> Result<impl Reply, Rejection> {
+        let body = reqwest::get("https://github.com/algoritmos-iii/algoritmos-iii.github.io/tree/master/assets/bibliografia")
+            .await.map_err(|e| reject::custom(ServerError::Request(e.to_string())))?
+            .text()
+            .await.map_err(|e| reject::custom(ServerError::Request(e.to_string())))?;
+
+        let papers: Vec<Papers> = Document::from(body.as_str())
+            .find(Name("a"))
+            .filter_map(|n| n.attr("href"))
+            .filter(|link| {
+                link.starts_with(
+                    "/algoritmos-iii/algoritmos-iii.github.io/blob/master/assets/bibliografia/",
+                )
+            })
+            .map(|paper_url_github| {
+                let paper_name = paper_url_github
+                    .split(&['/', '.'][..])
+                    .collect::<Vec<&str>>()[9]
+                    .to_string();
+
+                let mut paper_url_to_modify =
+                    paper_url_github.split_inclusive('/').collect::<Vec<&str>>();
+                paper_url_to_modify.remove(4);
+                paper_url_to_modify.remove(3);
+                paper_url_to_modify.remove(1);
+                paper_url_to_modify.remove(0);
+                paper_url_to_modify.insert(0, "https://");
+                let paper_url_string = paper_url_to_modify.concat();
+
+                Papers {
+                    name: paper_name,
+                    url: paper_url_string,
+                }
+            })
+            .collect();
+
+        Ok(reply::with_status(reply::json(&papers), StatusCode::OK))
+    }
+}