docker-compose.yml

services:
    postgres:
        image: postgres:18-alpine
        container_name: chat-postgres
        restart: unless-stopped

        environment:
            POSTGRES_DB: ${POSTGRES_DB}
            POSTGRES_USER: ${POSTGRES_USER}
            POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
            TZ: America/Sao_Paulo
            PGTZ: America/Sao_Paulo

        ports:
            - '${POSTGRES_PORT}:5432'

        volumes:
            - postgres_data:/var/lib/postgresql
            - ./postgres/init:/docker-entrypoint-initdb.d:ro

        healthcheck:
            test: ['CMD-SHELL', 'pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}']
            interval: 5s
            timeout: 5s
            retries: 10
            start_period: 10s

        networks:
            - chat-network

volumes:
    postgres_data:
        name: chat-postgres-data

networks:
    chat-network:
        name: chat-network