Podman-compose (or docker-compose) config for running Postgresql + PgAdmin4 with data stored in the project subdirectory

container-compose.yml

services:
  postgresql:
    image: docker.io/postgres:latest
    container_name: postgresql
    restart: unless-stopped
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: admin
      POSTGRES_PASSWORD: admin
    volumes:
     - ./postgresql_data:/var/lib/postgresql/data
  pgadmin4:
    image: docker.io/dpage/pgadmin4:latest
    container_name: pgadmin4
    restart: unless-stopped
    ports:
      - "5480:80"
    environment:
      PGADMIN_DEFAULT_EMAIL: root@localhost
      PGADMIN_DEFAULT_PASSWORD: admin
      PGADMIN_SERVER_JSON_FILE: /pgadmin4/pgadmin4-config.json
    depends_on: postgresql
    volumes:
     - ./pgadmin4-config.json:/pgadmin4/pgadmin4-config.json

pgadmin4-config.json

{
    "Servers": {
        "1": {
            "Name": "postgresql",
            "Group": "Servers",
            "Host": "postgresql",
            "Port": 5432,
            "MaintenanceDB": "postgres",
            "Username": "admin",
            "Password": "admin",
            "SSLMode": "prefer",
            "SSLCert": "<STORAGE_DIR>/.postgresql/postgresql.crt",
            "SSLKey": "<STORAGE_DIR>/.postgresql/postgresql.key",
            "SSLCompression": 0,
            "Timeout": 10,
            "UseSSHTunnel": 0,
            "TunnelPort": "22",
            "TunnelAuthentication": 0
        }
    }
}