Allow overriding port and hostname #47
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Still needs documentation in the README but merging as experimental for now. |
This was referenced Jan 20, 2023
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Thanks @madnificent, pushed the documentation, opened a new PR in #49. |
elpoelma
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Feb 28, 2023
* add expose statement (#39) I was kind of surprised we didn't have this in here already. the [docker reference](https://docs.docker.com/engine/reference/builder/#expose) specifies this is mostly for documentation towards users of a microservice. I think it's valuable to make it clear that microservices based on the template listen on port 80. Exposed ports are also used by other "proxy type" microservices such as the letsencrypt companion to figure out how to forward calls to the container in question. From the reference: > The EXPOSE instruction informs Docker that the container listens on the specified network ports at runtime. You can specify whether the port listens on TCP or UDP, and the default is TCP if the protocol is not specified. > The EXPOSE instruction does not actually publish the port. It functions as a type of documentation between the person who builds the image and the person who runs the container, about which ports are intended to be published. To actually publish the port when running the container, use the -p flag on docker run to publish and map one or more ports, or the -P flag to publish all exposed ports and map them to high-order ports. * Allow overriding port and hostname (#47) * Allow overriding port and hostname * Update server.js * Update Dockerfile * instructions on handling delta's in a JS service (#48) * Add documentation to allow overriding port and hostname (#49) * Allow overriding port and hostname * Update server.js * Update Dockerfile * Update Dockerfile * Update README.md --------- Co-authored-by: Niels V <[email protected]>
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Some environments require a different port or hostname (0.0.0.0:80 is not allowed for non-root users in Openshift).
We could add dotenv-defaults.