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chore: remove references to ubuntu 18.04 ahead of EOL

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While we will still build for 18.04, we will now stop testing against it. Instead, we will test against 20.04, the next EOL release after 18.04.

Once Ubuntu 18.04 is EOL, any references to it will also be removed.

Note that 18.04 support was already deprecated in Dokku 0.28.0, so this change is just acknowledging that deprecation.
This commit is contained in:
Jose Diaz-Gonzalez
2022-12-29 00:29:49 -05:00
parent 503ac7e11b
commit fcb25e1842
13 changed files with 29 additions and 29 deletions
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6
docs/deployment/builders/dockerfiles.md
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@@ -121,7 +121,7 @@ dokku docker-options:add node-js-app build '--build-arg NODE_ENV=production'
Once set, the Dockerfile usage would be as follows:
```Dockerfile
FROM ubuntu:18.04
FROM ubuntu:20.04
# set the argument default
ARG NODE_ENV=production
@@ -133,7 +133,7 @@ RUN echo $NODE_ENV
You may also set the argument as an environment variable
```Dockerfile
FROM ubuntu:18.04
FROM ubuntu:20.04
# set the argument default
ARG NODE_ENV=production
@@ -210,7 +210,7 @@ worker: bin/run-worker.sh
And `Dockerfile`:
```Dockerfile
FROM ubuntu:18.04
FROM ubuntu:20.04
WORKDIR /app
COPY . ./
CMD ["bin/run-dev.sh"]