minor improvements

self-hosting/build-and-push-images.sh

@@ -1,11 +1,31 @@
-: ${APP_ENV?Please set APP_ENV}
 : ${BASE_URL?Please set BASE_URL, i.e. your public webserver URL, e.g. 'https://omnivore.example.com'}
 : ${SERVER_BASE_URL?Please set SERVER_BASE_URL, i.e. your public API URL, e.g. 'https://api.omnivore.example.com'}
 : ${HIGHLIGHTS_BASE_URL?Please set HIGHLIGHTS_BASE_URL, i.e. your public webserver URL, e.g. 'https://omnivore.example.com'}
-
 : ${DOCKER_HUB_USER?Please set DOCKER_HUB_USER}
-: ${DOCKER_TAG?Please set DOCKER_TAG}
 
+: ${APP_ENV:=prod}
+: ${DOCKER_TAG:=$(git rev-parse --short HEAD)}
+
+# TODO: Feat: only build specific images
+
+echo ""
+echo Using the following variables for building and pushing:
+echo "  To build Omnivore:"
+echo "    APP_ENV=$APP_ENV"
+echo "    BASE_URL=$BASE_URL"
+echo "    SERVER_BASE_URL=$SERVER_BASE_URL"
+echo "    HIGHLIGHTS_BASE_URL=$HIGHLIGHTS_BASE_URL"
+echo ""
+echo "  To push to Docker Hub "
+echo "    DOCKER_HUB_USER=$DOCKER_HUB_USER"
+echo "    DOCKER_TAG=$DOCKER_TAG"
+echo ""
+
+read -p "OK? Continue [Y, y]: " yn
+case $yn in
+    [Yy]* ) echo;;
+    * ) exit;;
+esac
 
 docker build -t ${DOCKER_HUB_USER}/omnivore-web:${DOCKER_TAG} --build-arg="APP_ENV=${APP_ENV}" --build-arg="BASE_URL=${BASE_URL}" --build-arg="SERVER_BASE_URL=${SERVER_BASE_URL}" --build-arg="HIGHLIGHTS_BASE_URL=${HIGHLIGHTS_BASE_URL}" -f ../packages/web/Dockerfile ..
 docker build -t ${DOCKER_HUB_USER}/omnivore-content-fetch:${DOCKER_TAG} -f ../packages/content-fetch/Dockerfile ..
@@ -15,4 +35,4 @@ docker build -t ${DOCKER_HUB_USER}/omnivore-migrate:${DOCKER_TAG} -f ../packages
 docker push ${DOCKER_HUB_USER}/omnivore-web:${DOCKER_TAG}
 docker push ${DOCKER_HUB_USER}/omnivore-content-fetch:${DOCKER_TAG}
 docker push ${DOCKER_HUB_USER}/omnivore-api:${DOCKER_TAG}
-docker push ${DOCKER_HUB_USER}/omnivore-migrate:${DOCKER_TAG}
+docker push ${DOCKER_HUB_USER}/omnivore-migrate:${DOCKER_TAG}