dev/install (#58)

improved ci/cd pipeline + interactive install script

Reviewed-on: #58
Co-authored-by: Tom Tröger <t.troeger.02@gmail.com>
Co-committed-by: Tom Tröger <t.troeger.02@gmail.com>

Docker/docker-compose.yml

@@ -6,9 +6,7 @@ services:
     env_file:
       - .env
     environment:
-      POSTGRES_USER: ${POSTGRES_USER}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
-      POSTGRES_DB: ${POSTGRES_DB}
+      PGTZ: ${TZ}
       PGDATA: /var/lib/postgresql/data/pg_data
     volumes:
       - ${POSTGRES_PATH}:/var/lib/postgresql/data