Pass the PUBLIC_PATH variable to the container at build-time

.gitlab-ci.yml

@@ -15,7 +15,7 @@ variables:
   before_script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
   script:
-    - docker build -t ${DOCKER_IMAGE} --no-cache .
+    - docker build -t ${DOCKER_IMAGE} --build-arg PUBLIC_PATH=${PUBLIC_PATH} --no-cache .
     - docker push ${DOCKER_IMAGE}
     - docker rmi ${DOCKER_IMAGE}
     - docker logout $CI_REGISTRY

Dockerfile

@@ -9,6 +9,8 @@ COPY ${SOURCE_DIR} ${TARGET_DIR}
 
 WORKDIR ${TARGET_DIR}
 
+ARG PUBLIC_PATH=/api
+
 RUN npm ci && \
     npm run build