docker-compose.yml

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services:
    # ────────────────────────── front-end ──────────────────────────
    caddy:
        image: caddy:2.10.0-alpine
        container_name: caddy
        ports:
            - "80:80"
            - "443:443"
        volumes:
            - ./docker/caddy/Caddyfile:/etc/caddy/Caddyfile:ro
            - caddy_data:/data             # ACME certs
            - caddy_config:/config
            - ./public:/srv                # static assets
        networks: [web]

    nginx:
        image: nginx:1.28.3-alpine
        container_name: nginx
        depends_on: [caddy, php]
        expose:
            - "8080"
        volumes:
            - ./docker/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
            - ./public:/srv:ro
        networks: [web, app]

    # ─────────────────────────── PHP / FPM ─────────────────────────
    php:
        build: ./docker/php                 # see Dockerfile below
        container_name: php
        volumes:
            - .:/var/www/html
        environment:
            APP_ENV: ${APP_ENV:-local}
            DB_HOST: db
            DB_DATABASE: ${DB_DATABASE:-easymonitor}
            DB_USERNAME: ${DB_USERNAME:-easymonitor}
            DB_PASSWORD: ${DB_PASSWORD:-secret}
            REDIS_HOST: redis
            REDIS_PASSWORD: ${REDIS_PASSWORD:-}
        networks: [app]
        depends_on:
            db:
                condition: service_started
            redis:
                condition: service_healthy
        # Give Horizon time to finish in-flight jobs and deregister itself
        # from Redis (supervisord stopwaitsecs=60) before Docker kills it.
        stop_grace_period: 75s

    # ────────────────────────── data layer ─────────────────────────
    db:
        image: timescale/timescaledb:2.26.0-pg18  # PG18 + Timescale 2.26.0
        container_name: db
        ports:
            - "5432:5432"
        environment:
            POSTGRES_USER: ${DB_USERNAME:-easymonitor}
            POSTGRES_PASSWORD: ${DB_PASSWORD:-secret}
            POSTGRES_DB: ${DB_DATABASE:-easymonitor}
        volumes:
            # timescale/timescaledb:*-pg18 sets PGDATA=/var/lib/postgresql/18/docker
            # (the image also declares /var/lib/postgresql as a VOLUME, which would
            # otherwise swallow the data into an anonymous volume on every restart).
            - db_data:/var/lib/postgresql/18/docker
            - ./docker/db/init.sh:/docker-entrypoint-initdb.d/999-init.sh:ro
        networks: [app]

    redis:
        image: redis:7.4-alpine
        container_name: redis
        environment:
            REDIS_PASSWORD: ${REDIS_PASSWORD:-}
        # Run redis-server with --requirepass only when REDIS_PASSWORD is set.
        # The $$ lets the shell (inside the container) see $REDIS_PASSWORD
        # instead of Docker Compose trying to substitute it.
        command: >
            sh -c '
                if [ -n "$$REDIS_PASSWORD" ]; then
                    exec redis-server --appendonly yes --requirepass "$$REDIS_PASSWORD"
                else
                    exec redis-server --appendonly yes
                fi
            '
        volumes:
            - redis_data:/data
        networks: [app]
        # Healthy only once the dataset is loaded: while loading, PING
        # answers "LOADING ..." instead of PONG.
        healthcheck:
            test:
                - CMD-SHELL
                - '[ -n "$$REDIS_PASSWORD" ] && export REDISCLI_AUTH="$$REDIS_PASSWORD"; redis-cli ping | grep -q PONG'
            interval: 5s
            timeout: 3s
            retries: 30
            start_period: 10s

    # ──────────────────────────── probe node ───────────────────────────
    # The probe node is enabled by default for immediate monitoring capability.
    # To disable it, use: docker compose up -d --scale probe=0
    probe:
        build: ./probe-node
        container_name: probe
        environment:
            NODE_ID: ${PROBE_NODE_ID:-local-node-1}
            REDIS_URL: ${PROBE_REDIS_URL:-redis://redis:6379/0}
            REDIS_PASSWORD: ${REDIS_PASSWORD:-}
            JWT_TOKEN: ${PROBE_JWT_TOKEN:-}
            DEFAULT_TIMEOUT: 30s
            BATCH_SIZE: 10
            MAX_CONCURRENCY: 10
            HEALTH_CHECK_PORT: 8080
        depends_on:
            redis:
                condition: service_healthy
        networks: [app]
        restart: unless-stopped
        healthcheck:
            test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8080/health"]
            interval: 30s
            timeout: 5s
            retries: 3
            start_period: 5s

networks:
    web:
    app:

volumes:
    db_data:
    redis_data:
    caddy_data:
    caddy_config: