Merge pull request #157 from folio-org/MODWRKFLOW-67

MODWRKFLOW-67: Use newer ENV command structure in Dockerfile.

Author: kaladay

Dockerfile

@@ -5,10 +5,10 @@ USER root
 RUN apk upgrade --no-cache
 USER folio
 
-ENV VERTICLE_FILE workflow-service.jar
+ENV VERTICLE_FILE=workflow-service.jar
 
 # Set the location of the verticles.
-ENV VERTICLE_HOME /usr/verticles
+ENV VERTICLE_HOME=/usr/verticles
 
 # Copy your jar to the container.
 COPY --chmod=644 service/target/workflow-service*.jar ${VERTICLE_HOME}/${VERTICLE_FILE}