This is a PostgreSQL setup which can be used as a local database.

Features

✅ A clean, simple, correct docker-compose.yml

✅ A safe superuser only for initialization

✅ Automatic creation of a restricted dev_user via init scripts

✅ Custom postgresql.conf

✅ pg_stat_statements enabled

✅ Memory tuning

✅ WAL tuning

✅ Autovacuum tuning

✅ Applied cleanly inside your Docker Compose

✅ Beautiful UI via pgAdmin

Files

• docker-compose.yml — Compose definition for a configurable Postgres v18 instance.
• initdb/ — how to place initialization scripts (SQL / shell) per project.
• config/postgresql.conf - custom configuration file.

It has two service

• PostgreSQL (18.1)
• PgAdmin4 (9.10.0)

To access pgAdmin4

• Go to http://localhost:5050
• Username: admin@example.com # from docker-compose.yml
• Password: admin # from docker-compose.yml
• Go to Add new server and enter the following details:
  • Name: local postgresql # any name of your choice
  • Host name/address: postgres # found any docker compose service name
  • Port: 5432
  • Maintenance database: postgres
  • Username: myapp_user # dev user from init scripts
  • Password: pa55word # dev user password from init scripts

Important commands

• To start the container docker-compose up -d
• To view status of container docker ps
• To stop the container docker-compose down
• To stop and remove the container and volumes docker-compose down -v

DB Connection string

postgresql://myapp_user:pa55word@localhost:5432/datamover?sslmode=disable

Reference

Youtube