You can build an image with several tags and then push the image with the –all-tags option. Example: docker build -t reg/user/image:foo -t reg/user/image:latest . docker push reg/user/image –all-tags Older Docker clients that do not support –all-tags will push all tags by default (simply omit the option), newer clients will only push latest by default. … Read more
The registry path for official images (without a slash in the name) is library/<image>. Try this instead: docker pull registry.hub.docker.com/library/busybox
As of Docker 1.9, You are looking for –build-arg and the ARG instruction. Check out this document for reference. This will allow you to add ARG arg to the Dockerfile and then build with docker build –build-arg arg=2.3 .
EDIT – since Jul 23, 2015 The official postgres docker image will run .sql scripts found in the /docker-entrypoint-initdb.d/ folder. So all you need is to create the following sql script: init.sql CREATE USER docker; CREATE DATABASE docker; GRANT ALL PRIVILEGES ON DATABASE docker TO docker; and add it in your Dockerfile: Dockerfile FROM library/postgres … Read more
You can use Environment Replacement in your Dockerfile as follows: ENV PATH=”${PATH}:/opt/gtk/bin”