Add Coolify-ready docker-compose with OAuth2 Proxy (Logto OIDC SSO)

Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends graphviz && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install google-adk from the local source
+COPY pyproject.toml ./
+COPY src/ ./src/
+
+RUN pip install --no-cache-dir -e ".[dev]" 2>/dev/null || pip install --no-cache-dir -e .
+
+# Create default agents directory
+RUN mkdir -p /app/agents
+
+EXPOSE 8000
+
+ENTRYPOINT ["adk", "web", "--host", "0.0.0.0", "--port", "8000", "/app/agents"]

docker-compose.yaml

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+version: "3.8"
+
+services:
+  adk:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    environment:
+      - GOOGLE_API_KEY=${GOOGLE_API_KEY:-}
+      - GOOGLE_CLOUD_PROJECT=${GOOGLE_CLOUD_PROJECT:-}
+      - GOOGLE_APPLICATION_CREDENTIALS=${GOOGLE_APPLICATION_CREDENTIALS:-}
+    volumes:
+      - ${ADK_AGENTS_DIR:-./agents}:/app/agents
+    networks:
+      - internal
+
+  oauth2-proxy:
+    image: quay.io/oauth2-proxy/oauth2-proxy:v7.7.1
+    restart: unless-stopped
+    ports:
+      - "443:4180"
+    environment:
+      OAUTH2_PROXY_PROVIDER: oidc
+      OAUTH2_PROXY_OIDC_ISSUER_URL: ${OIDC_ISSUER_URL:-https://logto.example.com/oidc}
+      OAUTH2_PROXY_CLIENT_ID: ${OIDC_CLIENT_ID:-}
+      OAUTH2_PROXY_CLIENT_SECRET: ${OIDC_CLIENT_SECRET:-}
+      OAUTH2_PROXY_COOKIE_SECRET: ${OAUTH2_PROXY_COOKIE_SECRET:-}
+      OAUTH2_PROXY_REDIRECT_URL: ${OAUTH2_PROXY_REDIRECT_URL:-https://localhost/oauth2/callback}
+      OAUTH2_PROXY_UPSTREAMS: http://adk:8000/
+      OAUTH2_PROXY_HTTP_ADDRESS: 0.0.0.0:4180
+      OAUTH2_PROXY_EMAIL_DOMAINS: "*"
+      OAUTH2_PROXY_COOKIE_SECURE: "true"
+      OAUTH2_PROXY_SKIP_PROVIDER_BUTTON: "true"
+      OAUTH2_PROXY_PASS_ACCESS_TOKEN: "true"
+      OAUTH2_PROXY_PASS_AUTHORIZATION_HEADER: "true"
+    depends_on:
+      - adk
+    networks:
+      - internal
+
+networks:
+  internal:
+    driver: bridge