Update Dockerfile to change gRPC port from 443 to 7860 and adjust CMD accordingly

Dockerfile

@@ -5,9 +5,9 @@ ENV QUERY_DEFAULTS_LIMIT=25 \
     PERSISTENCE_DATA_PATH=/var/lib/weaviate \
     ENABLE_API_BASED_MODULES=true \
     CLUSTER_HOSTNAME=node1 \
-    GRPC_PORT=443
+    GRPC_PORT=7860
 
-EXPOSE 443
+EXPOSE 7860
 
 # Create data directory with proper permissions
 RUN mkdir -p /var/lib/weaviate && \
@@ -16,4 +16,4 @@ RUN mkdir -p /var/lib/weaviate && \
 # Create volume for persistent data
 VOLUME ["/var/lib/weaviate"]
 
-CMD ["--host", "0.0.0.0", "--port", "443", "--scheme", "http"]
+CMD ["--host", "0.0.0.0", "--port", "7860", "--scheme", "http"]