Change: Fix Swagger API in docker since additional dir entities is now required

Author: alex-heine

Dockerfile

@@ -20,6 +20,7 @@ RUN make install-code-generation-tools
 # copy api related source files and generate api docs
 COPY pkg/web pkg/web
 COPY pkg/models pkg/models
+COPY pkg/entities pkg/entities
 RUN make api-docs
 
 # copy rest of the source files