message: fixed ENV mismatch in docker-compose.yml
diff: @@ -6,7 +6,7 @@ services:
  depends_on:
  - db
  environment:
  - - POSTGRES_DB=postcodesiodb
  + - POSTGRES_DATABASE=postcodesiodb
  - POSTGRES_PASSWORD=secret
  - POSTGRES_USER=postcodesio
  - POSTGRES_HOST=db
  