How to create a basic docker image on a Mac

PG-Dockerfile

1. Write Dockerfile

Download PG9.6 - Dockerfile (https://gist.github.com/encoreshao/3859bffca218994bb26a82015f76f150)

2. Make a docker image command
> Docker build --rm = true -t postgres: 9.6.

3. Run PostgreSQL On Docker - (5433: 5432) Local Port 5433 Mapping 5432 in docker
> Docker run -i -t -p 5433: 5432 postgres: 9.6

4. Test
> Psql -h localhost -p 5433 -U docker

Password for user docker:
Psql (9.6.2)
SSL connection (protocol: TLSv1.2, cipher: ECDHE-RSA-AES256-GCM-SHA384, bits: 256, compression: off)
Type "help" for help.

Docker = # \ l
                              List of databases
   Name | Owner | Encoding | Collate | Ctype | Access privileges
----------- + ---------- + ---------- + --------- + ------ --- + ------------------------
 Docker | docker | UTF8 | C.UTF-8 | C.UTF-8 |
 Postgres | postgres | UTF8 | C.UTF-8 | C.UTF-8 |
 Template0 | postgres | UTF8 | C.UTF-8 | C.UTF-8 | = c / postgres +
           Postgres = CTc / postgres
 Template1 | postgres | UTF8 | C.UTF-8 | C.UTF-8 | = c / postgres +
           Postgres = CTc / postgres
(4 rows)

Docker = #

Done