Add devcontainer for Codespaces

.devcontainer/codespaces/devcontainer.json

@@ -0,0 +1,19 @@
+// 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/universal
+{
+	"name": "For Codespaces",
+
+	"image": "mcr.microsoft.com/devcontainers/universal:6",
+
+	"containerEnv": {
+		"DATABASE_URL": "postgresql://postgres:@localhost",
+		"COREPACK_ENABLE_DOWNLOAD_PROMPT": "0"
+	},
+
+	"onCreateCommand": "bash --login .devcontainer/codespaces/onCreateCommand.sh",
+
+	"postCreateCommand": "bash --login .devcontainer/codespaces/postCreateCommand.sh",
+
+	"postStartCommand": "bash --login .devcontainer/codespaces/postStartCommand.sh"
+
+}

.devcontainer/codespaces/onCreateCommand.sh

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+# Install Ruby via rv
+curl -LsSf https://rv.dev/install | sh
+source ~/.cargo/env
+rv ruby list
+rv ruby install 3.4.6
+rv ruby install 4.0.0
+rv ruby list
+echo 'eval "$(rv shell init bash)"' >> ~/.bashrc
+source ~/.bashrc
+which ruby
+ruby --version
+
+# Workaround for Yarn GPG key
+curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo gpg --dearmor -o /usr/share/keyrings/yarnkey.gpg
+echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+sudo apt update
+
+# Install Google Chrome
+wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb -O /tmp/google-chrome.deb
+sudo apt update && sudo apt install -y /tmp/google-chrome.deb && rm /tmp/google-chrome.deb
+google-chrome --version
+
+# Install Chromedriver
+CHROMEDRIVER_VERSION=$(google-chrome --version | awk '{print $3}')
+wget https://storage.googleapis.com/chrome-for-testing-public/${CHROMEDRIVER_VERSION}/linux64/chromedriver-linux64.zip
+unzip chromedriver-linux64.zip
+sudo mv chromedriver-linux64/chromedriver /usr/local/bin/
+rm -rf chromedriver-linux64.zip chromedriver-linux64
+chromedriver --version
+
+# Install libs
+sudo apt install -y libvips
+
+# Cleanup
+sudo apt-get clean
+sudo rm -rf /var/lib/apt/lists/*

.devcontainer/codespaces/postCreateCommand.sh

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+# Init ruby via rv
+source "$HOME/.cargo/env"
+eval "$(rv shell init bash)"
+
+# Wait for Docker to be ready and start PostgreSQL container
+until docker info >/dev/null 2>&1; do sleep 1; done
+docker rm postgres >/dev/null 2>&1
+docker run -d -i --name postgres -p 5432:5432 -e POSTGRES_HOST_AUTH_METHOD=trust postgres
+until docker exec postgres pg_isready -U postgres; do sleep 1; done
+
+# Create config/database.yml
+./bin/setup
+# Setup &  Create .env
+./bin/setup
+
+# Create test database and run seeds
+RAILS_ENV=test ./bin/rails dev:prime
+
+docker stop postgres

.devcontainer/codespaces/postStartCommand.sh

@@ -0,0 +1,2 @@
+
+docker start postgres

spec/example_app/config/environments/development.rb

@@ -75,4 +75,16 @@
 
   # Apply autocorrection by RuboCop to files generated by `bin/rails generate`.
   # config.generators.apply_rubocop_autocorrect_after_generate!
+
+  # In the current GitHub Codespaces, the Origin header is rewritten, which breaks CSRF protection.
+  # See: https://github.com/orgs/community/discussions/156532
+  if ENV["GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN"] == "app.github.dev"
+    warn "WARNING: (development) Disabling CSRF protection Origin header check!"
+    config.action_controller.forgery_protection_origin_check = false
+  end
+
+  # In GitHub Codespaces, allow connections to the forwarded port.
+  if ENV["CODESPACES"] == "true" && ENV["RAILS_DEVELOPMENT_HOSTS"].present?
+    config.hosts << ENV["RAILS_DEVELOPMENT_HOSTS"]
+  end
 end