feat: update java web demo

Makefile

@@ -1,12 +0,0 @@
-
-build:
-	exec ./build.sh
-
-deploy:
-	exec ./deploy.sh
-
-clean:
-	exec ./clean.sh
-
-
-.PHONY : build deploy clean

upack.json

@@ -7,9 +7,9 @@
         "deploy": "adoptopenjdk/openjdk8"
     },
     "build_steps": [
-        "make build", "make clean"
+        "exec ./build.sh", "exec ./clean.sh"
     ],
-    "deploy_steps": ["make deploy"],
+    "deploy_steps": ["exec ./deploy.sh"],
     "main": "java -jar /app/app.jar",
     "author": "test"
 }