DOCKERHUB_PASS="set me" DOCKERHUB_EMAIL="set me" DOCKERHUB_USER="set me" PUSH_DEPLOY_TAG=${CIRCLE_PREVIOUS_BUILD_NUM}_${CIRCLE_SHA1:0:7} DEPLOY_TAG=${CIRCLE_BUILD_NUM}_${CIRCLE_SHA1:0:7} DEPLOY_PATH="name of our app" SERVER_HOST="server ip address" SERVER_USER="probably root" SERVER_PORT="probably 22"