Enable local builds and env embedding model config in compose files

Uncommented build sections for backend, frontend, and langflow services in docker-compose.yml to allow local image builds. Updated SELECTED_EMBEDDING_MODEL to use environment variable in both docker-compose.yml and docker-compose-cpu.yml for improved configurability.

docker-compose-cpu.yml

@@ -129,7 +129,7 @@ services:
       - FILENAME=None
       - MIMETYPE=None
       - FILESIZE=0
-      - SELECTED_EMBEDDING_MODEL=text-embedding-3-small
+      - SELECTED_EMBEDDING_MODEL=${SELECTED_EMBEDDING_MODEL:-}
       - LANGFLOW_VARIABLES_TO_GET_FROM_ENVIRONMENT=JWT,OPENRAG-QUERY-FILTER,OPENSEARCH_PASSWORD,OWNER,OWNER_NAME,OWNER_EMAIL,CONNECTOR_TYPE,FILENAME,MIMETYPE,FILESIZE,SELECTED_EMBEDDING_MODEL
       - LANGFLOW_LOG_LEVEL=DEBUG
       - LANGFLOW_AUTO_LOGIN=${LANGFLOW_AUTO_LOGIN}

docker-compose.yml

@@ -45,9 +45,9 @@ services:
 
   openrag-backend:
     image: langflowai/openrag-backend:${OPENRAG_VERSION:-latest}
-    # build:
-    #   context: .
-    #   dockerfile: Dockerfile.backend
+    build:
+      context: .
+      dockerfile: Dockerfile.backend
     container_name: openrag-backend
     depends_on:
       - langflow
@@ -86,9 +86,9 @@ services:
 
   openrag-frontend:
     image: langflowai/openrag-frontend:${OPENRAG_VERSION:-latest}
-    # build:
-    #   context: .
-    #   dockerfile: Dockerfile.frontend
+    build:
+      context: .
+      dockerfile: Dockerfile.frontend
     container_name: openrag-frontend
     depends_on:
       - openrag-backend
@@ -101,9 +101,9 @@ services:
     volumes:
       - ./flows:/app/flows:U,z
     image: langflowai/openrag-langflow:${LANGFLOW_VERSION:-latest}
-    # build:
-    #   context: .
-    #   dockerfile: Dockerfile.langflow
+    build:
+      context: .
+      dockerfile: Dockerfile.langflow
     container_name: langflow
     ports:
       - "7860:7860"
@@ -128,7 +128,7 @@ services:
       - FILENAME=None
       - MIMETYPE=None
       - FILESIZE=0
-      - SELECTED_EMBEDDING_MODEL=text-embedding-3-small
+      - SELECTED_EMBEDDING_MODEL=${SELECTED_EMBEDDING_MODEL:-}
       - OPENSEARCH_PASSWORD=${OPENSEARCH_PASSWORD}
       - LANGFLOW_VARIABLES_TO_GET_FROM_ENVIRONMENT=JWT,OPENRAG-QUERY-FILTER,OPENSEARCH_PASSWORD,OWNER,OWNER_NAME,OWNER_EMAIL,CONNECTOR_TYPE,FILENAME,MIMETYPE,FILESIZE,SELECTED_EMBEDDING_MODEL,OPENAI_API_KEY,ANTHROPIC_API_KEY,WATSONX_API_KEY,WATSONX_ENDPOINT,WATSONX_PROJECT_ID,OLLAMA_BASE_URL
       - LANGFLOW_LOG_LEVEL=DEBUG