Convert rest of docker-compose files to TOML

docker/postgres/docker-compose.yaml

@@ -1,19 +0,0 @@
-services:
-  postgres:
-    container_name: postgres
-    image: postgres:13
-    environment:
-      - TZ=Europe/Helsinki
-      - POSTGRES_PASSWORD=12345
-    ports:
-      - 5432:5432
-    networks:
-      - postgres
-    volumes:
-      - /docker/postgres:/var/lib/postgresql/data
-      - /etc/localtime:/etc/localtime:ro
-    restart: unless-stopped
-
-networks:
-  postgres:
-    external: true