From a320d37588f2546c38a68b79aafa6e019f13aaa3 Mon Sep 17 00:00:00 2001
From: philtrep <phil.trepanier@gmail.com>
Date: Mon, 17 Oct 2016 20:20:52 -0400
Subject: [PATCH] Added Yarn support for node

---
 README.md                  | 12 ++++++++++++
 docker-compose.yml         |  1 +
 node/Dockerfile            |  8 ++++++++
 node/scripts/run-nodock.sh |  6 +++++-
 workspace/Dockerfile       |  3 +++
 5 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5fd18d5..37644ce 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ Docker Compose for Node projects with Node, MySQL, MongoDB, NGINX, Certbot and R
 - [Non-web project](#Non-Web)
 - [Multiple Node containers](#Multi-Node)
 - [More options](#More-Options)
+    - [Use Yarn](#Use-Yarn)
     - [Change Node entrypoint](#Node-Entrypoint)
     - [Change Node environment](#Node-Environment)
     - [Change Node version](#Node-Version)
@@ -192,6 +193,17 @@ To customize the NoDock installation, either add a `docker-compose.override.yml`
 ```bash
 docker-compose -f nodock/docker-compose.yml -f docker-compose.dev.yml up -d
 ```
+<a name="Use-Yarn"></a>
+#### Use Yarn
+Set the `YARN` argument to `true`.
+```yaml
+# docker-compose.override.yml
+[...]
+    node:
+        build:
+            args:
+                - YARN=true
+```
 <a name="Node-Entrypoint"></a>
 #### Change the node entrypoint
 Use `main.js` instead of `index.js`
diff --git a/docker-compose.yml b/docker-compose.yml
index 1804a7c..9a50242 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,6 +9,7 @@ services:
                 - NODE_VERSION=latest
                 - PROJECT_PATH=/opt/app/
                 - NODE_ENV=production
+                - YARN=false
         volumes:
             - ../:/opt/app
         extra_hosts:
diff --git a/node/Dockerfile b/node/Dockerfile
index 9a9bc00..89912f5 100644
--- a/node/Dockerfile
+++ b/node/Dockerfile
@@ -7,7 +7,9 @@ RUN apt-get update &&\
 ARG NODE_ENV
 ARG NODE_VERSION
 ARG PROJECT_PATH
+ARG YARN
 
+ENV YARN=$YARN
 ENV PROJECT_PATH=$PROJECT_PATH
 ENV NODE_ENV=$NODE_ENV
 
@@ -18,6 +20,12 @@ RUN groupadd -r www-app &&\
 # Install the specified NODE_VERSION or grab latest
 RUN n "$NODE_VERSION"
 
+# Install Yarn
+
+RUN if [ ${YARN} = true ]; then \
+    npm install -g yarn \
+;fi
+
 COPY scripts/run-nodock.sh /usr/bin/run-nodock
 
 RUN chmod 700 /usr/bin/run-nodock
diff --git a/node/scripts/run-nodock.sh b/node/scripts/run-nodock.sh
index 1a4ea39..00c2afa 100644
--- a/node/scripts/run-nodock.sh
+++ b/node/scripts/run-nodock.sh
@@ -10,6 +10,10 @@ fi
 
 cd $PROJECT_PATH
 
-npm install
+if [[ $YARN = true ]]; then
+    yarn install
+else
+    npm install
+fi
 
 su -c "cd $PROJECT_PATH; $SCRIPT" -s /bin/bash www-app
diff --git a/workspace/Dockerfile b/workspace/Dockerfile
index 944e88e..dc8ca61 100644
--- a/workspace/Dockerfile
+++ b/workspace/Dockerfile
@@ -24,6 +24,9 @@ ARG NODE_VERSION
 # Install the specified NODE_VERSION or grab latest
 RUN n "$NODE_VERSION"
 
+# Install YARN
+RUN npm i -g yarn
+
 ##
 ## Cron
 ##