I have a docker-compose file that describes two services, one built from a dockerhub mysql image and the other built from a dockerhub node alpine image. The docker-compose.yml is as follows:
version: "3.8"
services:
client:
image: node:alpine
command: sh -c "cd server && yarn install && cd .. && yarn install && yarn start"
ports:
- "3000:3000"
working_dir: /portal
volumes:
- ./:/portal
environment:
MYSQL_HOST: mysql
MYSQL_USER: root
MYSQL_PASSWORD: password
MYSQL_DB: files
mysql:
image: mysql:5.7
volumes:
- yaml-mysql-data:/var/lib/mysql
environment:
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: files
volumes:
yaml-mysql-data:I'm trying to deploy my app using kubernetes, but a kubernetes .yml file requires that I provide a path to my container images on dockerhub. However, I don't have them on dockerhub. I'm not sure how to push my images as they are built from the mysql and node images that I pull.
I know that docker-compose push can be used, however it's for locally built images; whereas I'm pulling images from dockerhub and am providing specific instructions in my docker-compose.yml when spinning them up.
How can I push these images including the commands that should be run; e.g. command: sh -c "cd server && yarn install && cd .. && yarn install && yarn start"? (which is on line 5 of docker-compose.yml above)
Thanks
The logic that you put in the docker-compose.yml actually belongs with a Dockerfile. So create a Dockerfile for your nodejs applications (there are plenty of examples for this).
Then in your docker-compose.yml you build your own image that you can then push to a registry.
version: "3.8"
services:
client:
image: your_registry/your_name:some_tag
build: .
ports: ...
environment: ....