Update Dockerfile to use workspaces setup

The main Cal.com project has started using Yarn workspaces to
break the project up into separate packages and treat the project
as a monorepo. This required quite a few changes to the Dockerfile
that assumed the previous project setup.

Signed-off-by: Alex Sears <me@alexsears.com>

docker-compose.yaml

@@ -27,7 +27,6 @@ services:
         - NEXT_PUBLIC_APP_URL=${NEXT_PUBLIC_APP_URL}
         - NEXT_PUBLIC_LICENSE_CONSENT=${NEXT_PUBLIC_LICENSE_CONSENT}
         - NEXT_PUBLIC_TELEMETRY_KEY=${NEXT_PUBLIC_TELEMETRY_KEY}
-    image: calendso/calendso:latest
     restart: always
     networks:
       - stack