Combine web, worker and counter into a single container

This is the recommended default Rails docker setup and it allows us to add processes for CSS/JS bundling when we switch away from sprockets.
alphagov · Jan 8, 2025 · 9579980 · 9579980
1 parent af2fbbf
commit 9579980
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Showing 4 changed files with 12 additions and 17 deletions.
diff --git a/Gemfile b/Gemfile
@@ -43,6 +43,10 @@ gem 'aws-sdk-codedeploy'
 gem 'aws-sdk-cloudwatchlogs'
 gem 'aws-sdk-s3'
 
+group :development do
+  gem 'foreman'
+end
+
 group :development, :test do
   gem 'simplecov'
   gem 'brakeman', require: false

diff --git a/Gemfile.lock b/Gemfile.lock
@@ -224,6 +224,7 @@ GEM
     ffi-compiler (1.3.2)
       ffi (>= 1.15.5)
       rake
+    foreman (0.88.1)
     globalid (1.2.1)
       activesupport (>= 6.1)
     hashdiff (1.1.1)
@@ -498,6 +499,7 @@ DEPENDENCIES
   faker
   faraday
   faraday_middleware
+  foreman
   image_processing
   jbuilder
   jquery-rails

diff --git a/Procfile.dev b/Procfile.dev
@@ -0,0 +1,3 @@
+web: bin/rails server -b 0.0.0.0 -p 3000
+worker: MIN_PRIORITY=10 bin/rake jobs:work
+counter: MAX_PRIORITY=5 bin/rake jobs:work
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -46,28 +46,14 @@ services:
     environment:
       <<: *environment
     command: [
-      "rails", "server",
-      "-b", "0.0.0.0",
-      "-p", "3000"
+      "foreman", "start",
+      "-f", "Procfile.dev"
     ]
     ports:
       - "127.0.0.1:3000:3000"
     stdin_open: true
     tty: true
-
-  worker:
-    <<: *application
-    environment:
-      <<: *environment
-      MIN_PRIORITY: "10"
-    command: [ "rake", "jobs:work" ]
-
-  counter:
-    <<: *application
-    environment:
-      <<: *environment
-      MAX_PRIORITY: "5"
-    command: [ "rake", "jobs:work" ]
+    init: true
 
 volumes:
   bundle: