Use default models; explicit Dockerfile

Author: lionello

samples/crew-django-redis-postgres/compose.yaml

@@ -20,6 +20,7 @@ services:
   app:
     build:
       context: ./app
+      dockerfile: Dockerfile
     command: ./run.sh
     ports:
       - "8000:8000"
@@ -43,6 +44,7 @@ services:
   worker:
     build:
       context: ./app
+      dockerfile: Dockerfile
     command: celery -A config worker -l info
     depends_on:
       - postgres
@@ -60,7 +62,7 @@ services:
     provider:
       type: model
       options:
-        model: anthropic.claude-3-haiku-20240307-v1:0
+        model: chat-default
     x-defang-llm: true
     environment:
       OPENAI_API_KEY: "defang"
@@ -70,7 +72,7 @@ services:
     provider:
       type: model
       options:
-        model: amazon.titan-embed-text-v2:0
+        model: embedding-default
     x-defang-llm: true
     environment:
       OPENAI_API_KEY: "defang"