fixing docker file and adding knative deployment yaml

Dockerfile

@@ -14,7 +14,7 @@ RUN mvn package -DskipTests
 # It's important to use OpenJDK 8u191 or above that has container support enabled.
 # https://hub.docker.com/r/adoptopenjdk/openjdk8
 # https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds
-FROM adoptopenjdk/jdk-11.0.6_10-alpine-slim
+FROM adoptopenjdk/openjdk11:jdk-11.0.6_10-alpine-slim
 
 # Copy the jar to the production image from the builder stage.
 COPY --from=builder /app/target/chuckjokes-*.jar /chuckjokes.jar

service.yaml

@@ -0,0 +1,13 @@
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: chuckjokes-java-spring
+  namespace: default
+spec:
+  template:
+    spec:
+      containers:
+        - image: docker.io/wishi/chuckjokes
+          env:
+            - name: TARGET
+              value: "Spring Boot Blog Knative v1"