Building & Push Docker Image into Repository¶ Login to repository docker login DOCKER_URL for default public registry (hub.docker.com), simply docker login Build your image docker build -t USERNAME/IMAGE_NAME:TAGS . for example docker build -t zufardhiyaulhaq/rubyweekly_dispatcher:latest . Push to repository docker push USERNAME/IMAGE_NAME:TAGS for example docker push zufardhiyaulhaq/rubyweekly_dispatcher:latest