Minor changes to eb server to use Docker (#1938)

part of #1866

server/eb/Makefile

@@ -27,6 +27,9 @@ build: clean
 	  if [ -f customize/config.yaml ] ; then \
 	     cp customize/config.yaml artifact.dir;  \
 	  fi ; \
+	  if [ -f customize/Dockerfile ] ; then \
+	     cp customize/Dockerfile artifact.dir;  \
+	  fi ; \
 	  if [ -f customize/requirements.txt ] ; then \
 	     pip install requirements-parser ; \
 	     pip install packaging ; \

server/eb/app.py

@@ -185,7 +185,7 @@ else:
 
 if __name__ == "__main__":
     try:
-        application.run(debug=debug, threaded=not debug, use_debugger=False)
+        application.run(host=app_config.server_config.app__host, debug=debug, threaded=not debug, use_debugger=False)
     except Exception:
         logging.critical("Caught exception during initialization", exc_info=True)
         sys.exit(1)