initial dev container for building on macos with arm cpu

.env

@@ -0,0 +1,6 @@
+UBUNTU_VERSION=20.04
+USER_NAME=developer
+USER_HOME=/home/developer
+PROJECT_NAME=rencfs
+
+PROJECT_HOME=${USER_HOME}/${PROJECT_NAME}

.gitignore

@@ -1 +1,2 @@
 /target
+.idea

Dockerfile

@@ -1,37 +1,43 @@
-################
-##### Builder
-FROM alpine:3.16.0 as builder
+# Use an argument to specify the Ubuntu version, with a default
+ARG UBUNTU_VERSION=20.04
 
-RUN apk add binutils build-base ca-certificates curl file g++ gcc libressl-dev make patch rust
+# Use the specified Ubuntu version from the .env file
+FROM ubuntu:${UBUNTU_VERSION}
 
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+ARG USER_NAME=developer
+ARG USER_HOME=/home/developer
+ARG PROJECT_NAME=rencfs
+
+ENV USER_NAME=${USER_NAME}
+ENV USER_HOME=${USER_HOME}
+ENV PROJECT_NAME=${PROJECT_NAME}
 
-RUN . ~/.cargo/env && rustup target add x86_64-unknown-linux-musl
+ENV DEBIAN_FRONTEND=noninteractive
 
-# Cache downloaded+built dependencies
-#COPY Cargo.toml Cargo.lock /usr/src/rencfs/
-#RUN mkdir /usr/src/rencfs/src && \
-#    echo 'fn main() {}' > /usr/src/rencfs/src/main.rs
-#
-#RUN . ~/.cargo/env && cd /usr/src/rencfs/ && cargo build --release && \
-#    rm -Rvf /usr/src/rencfs/src
+RUN apt-get update && apt-get install -y \
+    sudo  \
+    git  \
+    curl \
+    gcc \
+    pkg-config \
+    build-essential \
+    libssl-dev \
+    fuse3
 
-# Build our actual code
-COPY Cargo.toml Cargo.lock /usr/src/rencfs/
-COPY src /usr/src/rencfs/src
-RUN touch /usr/src/rencfs/src/main.rs
-RUN . ~/.cargo/env &&  \
-    cd /usr/src/rencfs/ &&  \
-    cargo build --target x86_64-unknown-linux-musl --release
+RUN useradd -m -s /bin/bash -d ${USER_HOME} ${USER_NAME} \
+    && echo "${USER_NAME} ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/${USER_NAME} \
+    && chmod 0440 /etc/sudoers.d/${USER_NAME}
 
-################
-##### Runtime
-FROM alpine:3.16.0 AS runtime
+# Switch to the new user
+USER ${USER_NAME}
+WORKDIR ${USER_HOME}
+
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 
-RUN apk add fuse3
+# Set the environment variables needed for Rust
+ENV PATH="${USER_HOME}/.cargo/bin:${PATH}"
 
-# Copy application binary from builder image
-COPY --from=builder /usr/src/rencfs/target/x86_64-unknown-linux-musl/release/rencfs /usr/local/bin
+WORKDIR ${USER_HOME}/${PROJECT_NAME}
 
-# Run the application
-CMD ["rencfs", "--help"]
+# Command to keep the container running
+CMD ["sleep", "infinity"]

Dockerfile.backup

@@ -0,0 +1,37 @@
+################
+##### Builder
+FROM alpine:3.16.0 as builder
+
+RUN apk add binutils build-base ca-certificates curl file g++ gcc libressl-dev make patch rust
+
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+
+RUN . ~/.cargo/env && rustup target add x86_64-unknown-linux-musl
+
+# Cache downloaded+built dependencies
+#COPY Cargo.toml Cargo.lock /usr/src/rencfs/
+#RUN mkdir /usr/src/rencfs/src && \
+#    echo 'fn main() {}' > /usr/src/rencfs/src/main.rs
+#
+#RUN . ~/.cargo/env && cd /usr/src/rencfs/ && cargo build --release && \
+#    rm -Rvf /usr/src/rencfs/src
+
+# Build our actual code
+COPY Cargo.toml Cargo.lock /usr/src/rencfs/
+COPY src /usr/src/rencfs/src
+RUN touch /usr/src/rencfs/src/main.rs
+RUN . ~/.cargo/env &&  \
+    cd /usr/src/rencfs/ &&  \
+    cargo build --target x86_64-unknown-linux-musl --release
+
+################
+##### Runtime
+FROM alpine:3.16.0 AS runtime
+
+RUN apk add fuse3
+
+# Copy application binary from builder image
+COPY --from=builder /usr/src/rencfs/target/x86_64-unknown-linux-musl/release/rencfs /usr/local/bin
+
+# Run the application
+CMD ["rencfs", "--help"]

devcontainer.json

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+{
+  "name": "rencfs docker development environment",
+  "dockerComposeFile": "docker-compose.yml",
+  "service": "rencfs-development-environment",
+  "shutdownAction": "stopCompose"
+}

docker-compose.yml

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+services:
+  rencfs-development-environment:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: local-rencfs-developer
+    user: ${USER_NAME}
+    volumes:
+      - .:/home/developer/rencfs