Simplify docker compose setup for new users

This takes out some environment variables that are not needed
for new users testing out locally.

We also adjusted the port usage so docker-compose will use the
same ports that local dev typically uses.

docker-compose.yml

@@ -51,15 +51,13 @@ services:
       - PG_DB=omnivore
       - PG_PORT=5432
       - PG_POOL_MAX=20
-      - IMAGE_PROXY_URL=http://localhost:8080
+      - IMAGE_PROXY_URL=http://localhost:9999
       - IMAGE_PROXY_SECRET=some-secret
       - JWT_SECRET=some_secret
       - SSO_JWT_SECRET=some_sso_secret
       - CLIENT_URL=http://localhost:3000
-      - GATEWAY_URL=http://localhost:4000/api
+      - GATEWAY_URL=http://localhost:8080/api
       - PUPPETEER_TASK_HANDLER_URL=http://localhost:9090/
-      - PREVIEW_IMAGE_WRAPPER_ID='selected_highlight_wrapper'
-      - PREVIEW_GENERATION_SERVICE_URL=http://localhost:8080/preview
       - REMINDER_TASK_HANDLER_URL=/svc/reminders/trigger
     depends_on:
       migrate:
@@ -71,12 +69,17 @@ services:
       dockerfile: ./packages/web/Dockerfile
       args:
         - APP_ENV=prod
-        - BASE_URL=http://localhost:8080
+        - BASE_URL=http://localhost:3000
         - SERVER_BASE_URL=http://localhost:4000
-        - HIGHLIGHTS_BASE_URL=http://localhost:8080
+        - HIGHLIGHTS_BASE_URL=http://localhost:3000
     container_name: "omnivore-web"
     ports:
-      - "8080:8080"
+      - "3000:8080"
+    environment:
+      - NEXT_PUBLIC_APP_ENV=prod
+      - NEXT_PUBLIC_BASE_URL=http://localhost:3000
+      - NEXT_PUBLIC_SERVER_BASE_URL=http://localhost:4000
+      - NEXT_PUBLIC_HIGHLIGHTS_BASE_URL=http://localhost:3000
     depends_on:
       api:
         condition: service_healthy