Self-host Woodpecker CI

copy# Woodpecker server + agent — official compose (GitHub forge); create a GitHub OAuth app first,
# callback URL http://SERVER_IP:8000/authorize, and paste its client id + secret below
mkdir -p ~/woodpecker && cd ~/woodpecker
cat > .env <<EOF
WOODPECKER_HOST=http://SERVER_IP:8000
WOODPECKER_GITHUB_CLIENT=your-github-oauth-client-id
WOODPECKER_GITHUB_SECRET=your-github-oauth-client-secret
WOODPECKER_AGENT_SECRET=$(openssl rand -hex 32)
EOF
cat > docker-compose.yml <<'EOF'
services:
  woodpecker-server:
    image: woodpeckerci/woodpecker-server:v3
    ports: ["8000:8000"]
    volumes: ["woodpecker-server-data:/var/lib/woodpecker/"]
    environment:
      - WOODPECKER_OPEN=true
      - WOODPECKER_HOST=${WOODPECKER_HOST}
      - WOODPECKER_GITHUB=true
      - WOODPECKER_GITHUB_CLIENT=${WOODPECKER_GITHUB_CLIENT}
      - WOODPECKER_GITHUB_SECRET=${WOODPECKER_GITHUB_SECRET}
      - WOODPECKER_AGENT_SECRET=${WOODPECKER_AGENT_SECRET}
  woodpecker-agent:
    image: woodpeckerci/woodpecker-agent:v3
    command: agent
    restart: always
    depends_on: [woodpecker-server]
    volumes: ["woodpecker-agent-config:/etc/woodpecker", "/var/run/docker.sock:/var/run/docker.sock"]
    environment:
      - WOODPECKER_SERVER=woodpecker-server:9000
      - WOODPECKER_AGENT_SECRET=${WOODPECKER_AGENT_SECRET}
volumes:
  woodpecker-server-data:
  woodpecker-agent-config:
EOF
docker compose up -d
# open http://SERVER_IP:8000 and log in with GitHub