DRY up docker-compose.yml with YML anchors

docker-compose.yml

@@ -1,6 +1,25 @@
-version: '3'
+version: '3.4'
+x-db_user: &db_user
+  depends_on: ["db"]
+x-rails_job: &rails_job
+  build:
+    context: .
+    dockerfile: docker_configs/api.Dockerfile
+  env_file: .env
+  volumes:
+    - .:/farmbot
+    - ./docker_volumes/bundle_cache:/bundle
 services:
-  mqtt: # ======================================================================
+  db:          # ====================
+    image: postgres
+    volumes: ["./docker_volumes/db:/var/lib/postgresql/data"]
+    env_file: .env
+  web:         # ====================
+    <<: *rails_job
+    <<: *db_user
+    command: bash -c "rm -f tmp/pids/server.pid && bundle exec rails s -e development -p ${API_PORT:-3000} -b 0.0.0.0"
+    ports: ["3000:3000"] # Web / API
+  mqtt:        # ====================
     build:
       context: ./docker_configs
       dockerfile: rabbitmq.Dockerfile
@@ -10,75 +29,21 @@ services:
      - "8883:8883"   # MQTT over TLS/SSL
      - "3002:15675"  # MQTT over WebSockets
      - "15672:15672" # Management API
-  db:  # =======================================================================
-    image: postgres
-    volumes:
-      - ./docker_volumes/db:/var/lib/postgresql/data
-    env_file:
-      - .env
-  web:  # ======================================================================
-    build:
-      context: .
-      dockerfile: docker_configs/api.Dockerfile
-    # Add the `rm -f` part to avoid "server is still running..." errors:
-    command: bash -c "rm -f tmp/pids/server.pid && bundle exec rails s -e development -p ${API_PORT:-3000} -b 0.0.0.0"
-    volumes:
-      - .:/farmbot
-      - ./docker_volumes/bundle_cache:/bundle
-    ports:
-      - "3000:3000" # Web / API
-    depends_on:
-      - db
-    env_file:
-      - .env
-  webpack: # ===================================================================
-    build:
-      context: .
-      dockerfile: docker_configs/api.Dockerfile
+    depends_on: ["web"]
+    env_file:   .env
+  webpack:     # ====================
+    <<: *rails_job
     command: ./node_modules/.bin/webpack-dev-server --config config/webpack.config.js
-    volumes:
-      - .:/farmbot
-      - ./docker_volumes/bundle_cache:/bundle
-    ports:
-      - "3808:3808" # Webpack Dev Server
-    depends_on:
-      - web
-    env_file:
-      - .env
-  delayed_job: # ===============================================================
-    build:
-      context: .
-      dockerfile: docker_configs/api.Dockerfile
+    ports: ["3808:3808"] # Webpack Dev Server
+  delayed_job: # ====================
+    <<: *rails_job
+    <<: *db_user
     command: bundle exec rake jobs:work
-    volumes:
-      - .:/farmbot
-      - ./docker_volumes/bundle_cache:/bundle
-    env_file:
-      - .env
-    depends_on:
-      - db
-  log_digests: # ===============================================================
-    build:
-      context: .
-      dockerfile: docker_configs/api.Dockerfile
+  log_digests: # ====================
+    <<: *rails_job
+    <<: *db_user
     command: bundle exec rake api:log_digest
-    volumes:
-      - .:/farmbot
-      - ./docker_volumes/bundle_cache:/bundle
-    depends_on:
-      - db
-    env_file:
-      - .env
-  rabbit_jobs: # ===============================================================
-    build:
-      context: .
-      dockerfile: docker_configs/api.Dockerfile
+  rabbit_jobs: # ====================
+    <<: *rails_job
     command: bundle exec rails r lib/rabbit_workers.rb
-    volumes:
-      - .:/farmbot
-      - ./docker_volumes/bundle_cache:/bundle
-    depends_on:
-      - db
-      - mqtt
-    env_file:
-      - .env
+    depends_on: ["db","mqtt"]

lib/tasks/api.rake

@@ -19,7 +19,7 @@ def check_for_digests
       puts "Sending log digest to device \##{id} (#{device.name})"
       LogDeliveryMailer.log_digest(device).deliver
     end
-  sleep 10
+  sleep 10.minutes
 end
 
 class V7Migration
@@ -89,6 +89,11 @@ namespace :api do
     sh "sudo docker-compose up --scale webpack=0"
   end
 
+  desc "Run Webpack _ONLY_. No other services"
+  task webpack: :environment do
+    sh "sudo docker-compose run webpack npm run webpack"
+  end
+
   desc "Pull the latest Farmbot API version"
   task(update: :environment) { same_thing }