Split development and production Docker setup

.devcontainer/devcontainer.json

@@ -7,7 +7,8 @@
   // Update the 'dockerComposeFile' list if you have more compose files or use different names.
   // The .devcontainer/docker-compose.yml file contains any overrides you need/want to make.
   "dockerComposeFile": [
-    "../docker-compose.yml"
+    "../docker-compose.yml",
+    "../docker-compose.dev.yml"
   ],
 
   // The 'service' property is the name of the service for the container that VS Code should

.docker/entrypoint.sh

@@ -1,8 +0,0 @@
-#!/bin/bash
-set -e
-
-# Remove a potentially pre-existing server.pid for Rails.
-rm -f /app/tmp/pids/server.pid
-
-# Then exec the container's main process (what's set as CMD in the Dockerfile).
-exec "$@"

.gitignore

@@ -55,6 +55,10 @@ Thumbs.db
 desktop.ini
 
 
+### Docker ###
+docker-compose.yml
+
+
 ### Editors ###
 
 # Emacs

Containerfile.dev

@@ -1,3 +1,5 @@
+# Container image for a development Retrospring setup
+
 FROM ruby:3.1
 
 USER root
@@ -29,9 +31,6 @@ RUN addgroup --gid ${GID} app \
 	&& chown "${UID}:${GID}" -R /app/ \
     && chown "${UID}:${GID}" -R /cache/
 
-COPY .docker/entrypoint.sh /usr/bin/
-RUN chmod +x /usr/bin/entrypoint.sh
-
 USER app:app
 
 ADD Gemfile* /app/
@@ -44,7 +43,5 @@ RUN yarn install
 
 COPY . /app
 
-ENTRYPOINT ["entrypoint.sh"]
 EXPOSE 3000
 
-CMD ["rails", "server", "-b", "0.0.0.0"]

bin/docker

@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+if [ ! -e "docker-compose.yml" ]; then
+  echo "\033[0;31mdocker-compose.yml not found! Please create the file from the example file before continuing.\033[0m"
+  exit 1
+fi
+
+docker compose -f docker-compose.yml "$@"

bin/docker-dev

@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+if [ ! -e "docker-compose.yml" ]; then
+  echo "\033[0;33mdocker-compose.yml not found! Copying example file.\033[0m"
+  cp docker-compose.example.yml docker-compose.yml 
+fi
+
+docker compose -f docker-compose.yml -f docker-compose.dev.yml "$@"

docker-compose.dev.yml

@@ -0,0 +1,22 @@
+version: "3.7"
+
+# development docker-compose setup overrides for Retrospring
+# debugging support using rdebug-ide and preconfigured DB credentials
+
+services:
+  web:
+    build:
+      context: .
+      dockerfile: Containerfile.dev
+    command: bash -c "rm -f tmp/pids/server.pid && rdebug-ide --skip_wait_for_start --host 0.0.0.0 --port 1234 --dispatcher-port 26162 -- bin/rails s -p 3000 -b '0.0.0.0'"
+    environment:
+      - DATABASE_URL=postgres://postgres:justask@postgres/justask_development?pool=25
+    volumes:
+      - ./:/app
+    ports:
+      - 1234:1234
+
+  postgres:
+    environment:
+      - POSTGRES_PASSWORD=justask
+      - POSTGRES_DB=justask_development

docker-compose.example.yml

@@ -0,0 +1,56 @@
+version: "3.7"
+
+# NOTE: We don't use Docker in production at Retrospring, so this setup is
+#       provided as-is and might be broken or could be improved.
+#
+#       If you have experience in production docker setups, feel free to
+#       send in some patches!
+
+services:
+  web:
+    image: ghcr.io/retrospring/retrospring:main
+    command: bundle exec puma -C config/puma.rb -b tcp://0.0.0.0:3000
+    depends_on:
+      - postgres
+      - redis
+    environment:
+      # PROD: define a secret key
+      # - SECRET_KEY_BASE=seeeecret
+      # PROD: configure your database credentials (alternatively use ./config/database.yml below)
+      # - DATABASE_URL=postgres://postgres:justask@postgres/justask_development?pool=25
+      - RAILS_LOG_TO_STDOUT=true
+      - SPROCKETS_CACHE=/cache
+      - REDIS_URL=redis://redis:6379
+    volumes:
+      # PROD: configure your database credentials (alternatively use DATABASE_URL above)
+      # - ./config/database.yml:/opt/retrospring/app/config/database.yml
+      - ./config/sidekiq.yml:/opt/retrospring/app/config/sidekiq.yml
+      - ./config/justask.yml:/opt/retrospring/app/config/justask.yml
+      - ./config/initializers/devise.rb:/opt/retrospring/app/config/initializers/devise.rb
+      - cache:/cache
+    ports:
+      - 3000:3000
+
+  redis:
+    image: redis:6.2.10-alpine
+    ports:
+      - 6379:6379
+    volumes:
+      - redis:/data
+
+  postgres:
+    image: postgres:10.12
+    ports:
+      - 5432:5432
+    # PROD: define database credentials  
+    # environment:
+    #   - POSTGRES_PASSWORD=justask
+    #   - POSTGRES_DB=justask_production
+    volumes:
+      - db:/var/lib/postgresql/data
+
+volumes:
+  # PROD: in order to persist data over a longer period of time, define filesystem mounts for volumes
+  db:
+  redis:
+  cache:

docker-compose.yml

@@ -1,40 +0,0 @@
-version: "3.7"
-
-services:
-  web:
-    build:
-      context: .
-      dockerfile: .docker/ruby/Dockerfile
-    command: bash -c "rm -f tmp/pids/server.pid && rdebug-ide --skip_wait_for_start --host 0.0.0.0 --port 1234 --dispatcher-port 26162 -- bin/rails s -p 3000 -b '0.0.0.0'"
-    depends_on:
-      - postgres
-      - redis
-    environment:
-      - SPROCKETS_CACHE=/cache
-      - DATABASE_URL=postgres://postgres:justask@postgres/justask_development?pool=25
-      - REDIS_URL=redis://redis:6379
-    volumes:
-      - ./:/app
-      - cache:/cache
-    ports:
-      - 3000:3000
-      - 1234:1234
-
-  redis:
-    image: redis:6.2.10-alpine
-    ports:
-      - 6379:6379
-
-  postgres:
-    image: postgres:10.12
-    ports:
-      - 5432:5432
-    environment:
-      POSTGRES_PASSWORD: justask
-      POSTGRES_DB: justask_development
-    volumes:
-      - db:/var/lib/postgresql/data
-
-volumes:
-  db:
-  cache: