docker-compose.yml

version: "3.8"

services:
    postgres:
        image: postgres:latest
        restart: always
        ports:
            - "5432:5432"
        healthcheck:
            test:
                [
                    "CMD-SHELL",
                    "pg_isready -U ${POSTGRES_USER} -h ${POSTGRES_HOST}",
                ]
            interval: 10s
            timeout: 5s
            retries: 5
        volumes:
            - data:/var/lib/postgresql/data
        networks:
            - database
        environment:
            - POSTGRES_DB=${POSTGRES_DB}
            - POSTGRES_USER=${POSTGRES_USER}
            - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
            - POSTGRES_HOST=${POSTGRES_HOST}
            - POSTGRES_PORT=${POSTGRES_PORT}

    migrate:
        image: migrate/migrate
        entrypoint:
            [
                "migrate",
                "-database",
                "postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}?sslmode=disable",
                "-path",
                "/migrations",
                "up",
            ]
        depends_on:
            - postgres
        volumes:
            - ./internal/database/migrations:/migrations
        networks:
            - database

    whosbest:
        build: .
        restart: always
        depends_on:
            - postgres
        deploy:
            mode: replicated
            replicas: 3
        networks:
            - database
            - loadbalancer
        environment:
            - POSTGRES_DB=${POSTGRES_DB}
            - POSTGRES_USER=${POSTGRES_USER}
            - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
            - POSTGRES_HOST=${POSTGRES_HOST}
            - POSTGRES_PORT=${POSTGRES_PORT}
            - JWT_SECRET=${JWT_SECRET}

    nginx:
        image: nginx:1.25.3-alpine
        restart: always
        ports:
            - "80:80"
        depends_on:
            - whosbest
        volumes:
            - ./nginx.conf:/etc/nginx/nginx.conf
        networks:
            - loadbalancer

volumes:
    data:

networks:
    database:
        driver: bridge
    loadbalancer:
        driver: bridge