Docker container for Postgres 9.1 not exposing port 5432 to host

Question

I\'m trying to use a Docker container to run a PostgreSQL server, and connect with it from my host machine.

My configuration is:

• Host machine: Mac OS X

Answer 1

I was able to connect using container IP or host IP, except localhost (127.0.0.1).

To get container id run

docker ps

Find required container id and run

docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' 

Port must be exposed.

Here is an example of docker-compose.yml which starts two containers postgres and adminer, which is database management tool you can use to connect to postgres:

version: '3'
services:
  adminer:
    image: adminer
    restart: always
    ports:
      - 8080:8080
  postgres:
    image: postgres:11.4-alpine
    restart: always
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres