Fix docker-compose in production (#81)

* Fixed problem with docker-compose not updating new files in the multi-stage build.
* Update readme with a new screenshot

docker/docker-compose.gpu.yml

@@ -5,7 +5,6 @@ services:
     image: immich-server-dev:1.4.0
     build:
       context: ../server
-      target: development
       dockerfile: ../server/Dockerfile
     command: npm run start:dev
     expose:
@@ -26,7 +25,6 @@ services:
     image: immich-microservices-dev:1.4.0
     build:
       context: ../microservices
-      target: development
       dockerfile: ../microservices/Dockerfile
     command: npm run start:dev
     deploy: