config devcontainer

.devcontainer/Dockerfile

@@ -0,0 +1,3 @@
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version
+ARG RUBY_VERSION=3.3.9
+FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION

.devcontainer/compose.yaml

@@ -0,0 +1,39 @@
+name: "boltspa"
+
+services:
+  rails-app:
+    build:
+      context: ..
+      dockerfile: .devcontainer/Dockerfile
+
+    volumes:
+      - ../..:/workspaces:cached
+      # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+
+    # Uncomment the next line to use a non-root user for all processes.
+    # user: vscode
+
+    # Use "forwardPorts" in **devcontainer.json** to forward an app port locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+    depends_on:
+      - selenium
+      - postgres
+
+  selenium:
+    image: selenium/standalone-chromium
+    restart: unless-stopped
+
+  postgres:
+    image: postgres:17
+    restart: unless-stopped
+    networks:
+      - default
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+
+volumes:
+  postgres-data:

.devcontainer/devcontainer.json

@@ -0,0 +1,39 @@
+// For format details, see https://containers.dev/implementors/json_reference/.
+// For config options, see the README at: https://github.com/devcontainers/templates/tree/main/src/ruby
+{
+  "name": "boltspa",
+  "dockerComposeFile": "compose.yaml",
+  "service": "rails-app",
+  "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  "features": {
+    // "ghcr.io/devcontainers/features/github-cli:1": {},
+    "ghcr.io/rails/devcontainer/features/activestorage": {},
+    // "ghcr.io/devcontainers/features/docker-outside-of-docker:1": {},
+    // "ghcr.io/rails/devcontainer/features/sqlite3": {}
+    "ghcr.io/rails/devcontainer/features/postgres-client": {
+      "version": "17"
+    }
+  },
+
+  "containerEnv": {
+    "CAPYBARA_SERVER_PORT": "45678",
+    "SELENIUM_HOST": "selenium",
+    "KAMAL_REGISTRY_PASSWORD": "$KAMAL_REGISTRY_PASSWORD",
+    "DB_HOST": "postgres"
+  },
+
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  "forwardPorts": [3000, 5432],
+
+  // Configure tool-specific properties.
+  // "customizations": {},
+
+  // Uncomment to connect as root instead. More info: https://containers.dev/implementors/json_reference/#remoteUser.
+  // "remoteUser": "root",
+
+
+  // Use 'postCreateCommand' to run commands after the container is created.
+  "postCreateCommand": "bin/setup --skip-server"
+}

.gitignore

@@ -65,3 +65,7 @@ database.yml
 
 data.json
 .overmind.sock
+
+# Ignore key files for decrypting credentials and more.
+/config/credentials/*.key
+/config/credentials/development.yml.enc

.vscode/tasks.json

@@ -0,0 +1,37 @@
+{
+  // See https://go.microsoft.com/fwlink/?LinkId=733558
+  // for the documentation about the tasks.json format
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "boltspa: start",
+      "type": "shell",
+      "command": "overmind start -f Procfile.dev",
+      "group": "none",
+      "presentation": {
+        "reveal": "always",
+        "panel": "new"
+      }
+    },
+    {
+      "label": "boltspa: console",
+      "type": "shell",
+      "command": "./bin/rails console",
+      "group": "none",
+      "presentation": {
+        "reveal": "always",
+        "panel": "new"
+      }
+    },
+    {
+      "label": "boltspa: credentials",
+      "type": "shell",
+      "command": "EDITOR=\"vi\" ./bin/rails credentials:edit --environment development",
+      "group": "none",
+      "presentation": {
+        "reveal": "always",
+        "panel": "new"
+      }
+    }
+  ]
+}

Gemfile

@@ -51,3 +51,5 @@ group :test do
   gem 'capybara'
   gem 'selenium-webdriver'
 end
+
+gem "dockerfile-rails", ">= 1.7", group: :development

Gemfile.lock

@@ -140,6 +140,8 @@ GEM
       reline (>= 0.3.8)
     debug_inspector (1.2.0)
     diff-lcs (1.6.2)
+    dockerfile-rails (1.7.10)
+      rails (>= 3.0.0)
     drb (2.2.3)
     erb (6.0.3)
     erubi (1.13.1)
@@ -462,6 +464,7 @@ DEPENDENCIES
   bootsnap
   capybara
   debug
+  dockerfile-rails (>= 1.7)
   faker
   faraday
   fx
@@ -519,6 +522,7 @@ CHECKSUMS
   debug (1.11.1) sha256=2e0b0ac6119f2207a6f8ac7d4a73ca8eb4e440f64da0a3136c30343146e952b6
   debug_inspector (1.2.0) sha256=9bdfa02eebc3da163833e6a89b154084232f5766087e59573b70521c77ea68a2
   diff-lcs (1.6.2) sha256=9ae0d2cba7d4df3075fe8cd8602a8604993efc0dfa934cff568969efb1909962
+  dockerfile-rails (1.7.10) sha256=04163273792ec6c6560244d32c0b44bbed705384a47b8063adcbf0d7bc8abd26
   drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
   erb (6.0.3) sha256=e43685a8a0a0ea6a924871b2162e8953ef73147ce46b75b36d1f6774fd286e91
   erubi (1.13.1) sha256=a082103b0885dbc5ecf1172fede897f9ebdb745a4b97a5e8dc63953db1ee4ad9

config/database.yml.example

@@ -1,10 +1,16 @@
 default: &default
   adapter: postgresql
   encoding: unicode
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  <% if ENV["DB_HOST"] %>
+  host: <%= ENV["DB_HOST"] %>
+  username: postgres
+  password: postgres
+  <% else %>
   host: localhost
   username: someuser
   password: somepass
-  pool: 5
+  <% end %>
 
 development:
   <<: *default