Add image args

Author: Technoboy-

images/pulsar-functions-go-runner/Dockerfile

@@ -1,4 +1,6 @@
-FROM pulsar-functions-runner-base:latest
+ARG BASE_IMAGE=pulsar-functions-runner-base:latest
+
+FROM ${BASE_IMAGE}
 
 WORKDIR /pulsar
 

images/pulsar-functions-java-runner/Dockerfile

@@ -1,7 +1,10 @@
 ARG PULSAR_IMAGE
 ARG PULSAR_IMAGE_TAG
 FROM ${PULSAR_IMAGE}:${PULSAR_IMAGE_TAG} as pulsar
-FROM pulsar-functions-runner-base:latest
+
+ARG BASE_IMAGE=pulsar-functions-runner-base:latest
+
+FROM ${BASE_IMAGE}
 
 COPY --from=pulsar --chown=$UID:$GID /pulsar/instances/java-instance.jar /pulsar/instances/java-instance.jar
 COPY --from=pulsar --chown=$UID:$GID /pulsar/instances/deps /pulsar/instances/deps

images/pulsar-functions-python-runner/Dockerfile

@@ -1,7 +1,10 @@
 ARG PULSAR_IMAGE
 ARG PULSAR_IMAGE_TAG
 FROM ${PULSAR_IMAGE}:${PULSAR_IMAGE_TAG} as pulsar
-FROM pulsar-functions-runner-base:latest
+
+ARG BASE_IMAGE=pulsar-functions-runner-base:latest
+
+FROM ${BASE_IMAGE}
 
 COPY --from=pulsar --chown=$UID:$GID /pulsar/instances/python-instance /pulsar/instances/python-instance
 COPY --from=pulsar --chown=$UID:$GID /pulsar/instances/deps /pulsar/instances/deps