docker-compose.yml

version: "3.8"
services:
    db:
        image: postgres
        container_name: pg_ctnr
        environment:
          POSTGRES_PASSWORD: sampleapi
          POSTGRES_USER: sampleapi
          POSTGRES_DB: sampleapi
        volumes:
            - ./init_database.sql:/docker-entrypoint-initdb.d/script.sql
        ports: 
            - "15432:5432"
        restart: always
        networks:
            - pg-network
           
    app:
        image: golang
        container_name: golang_ctnr
        restart: always
        environment: 
            POSTGRES_PASSWORD: sampleapi
            POSTGRES_USER: sampleapi
            POSTGRES_DB: sampleapi
            PG_HOST: pg_ctnr
            PG_PORT: 5432
        volumes:
            - .:/go/src/github.com/lrweck/go-sampleapi
        working_dir: /go/src/github.com/lrweck/go-sampleapi
        command: go run .
        ports:
            - "8001:8000"
        depends_on:
            - db
        networks:
            - pg-network

networks: 
    pg-network:
        driver: bridge