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Proposal: Disable apt caching
When running apt-get install foo, the result is cached and requires an apt-get clean to remove this cache.
However, adding
RUN echo "Acquire::http {No-Cache=True;};" > /etc/apt/apt.conf.d/no-cache
As an initial step will mean that packages are not cached with apt, and will not require an apt-get clean.
Thoughts?
Optimise package installs in gastonjs
containers/gastonjs/1.0.2/Dockerfile
Line 8 in 6eae0fd
Line 8: RUN apt-get update && \
Issue Category Title Description
1 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Optimise package installs in php images
File: php/5.6-apache-jessie/base/Dockerfile
Issues: 4
Line 9: RUN apt-get update && \
Issue Category Title Description
1 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Line 26: RUN echo 'deb http://apt.newrelic.com/debian/ newrelic non-free' | tee
/etc/apt/sources.list.d/newrelic.list && \
Issue Category Title Description
3 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
4 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
File: php/5.6-apache-jessie/dev/Dockerfile
Issues: 2
Line 23: RUN apt-get update && \
Issue Category Title Description
1 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
File: php/7.x-apache-jessie/base/Dockerfile
Issues: 3
Line 10: RUN apt-get update && \
Issue Category Title Description
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Line 28: RUN echo 'deb http://apt.newrelic.com/debian/ newrelic non-free' | tee
/etc/apt/sources.list.d/newrelic.list && \
Issue Category Title Description
3 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
File: php/7.x-apache-jessie/dev/Dockerfile
Issues: 3
Line 24: RUN apt-get update && \
Issue Category Title Description
2 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
3 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
File: php/7.x-apache-stretch/base/Dockerfile
Issues: 3
Line 10: RUN apt-get update && \
Issue Category Title Description
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Line 27: RUN echo 'deb http://apt.newrelic.com/debian/ newrelic non-free' | tee
/etc/apt/sources.list.d/newrelic.list && \
Issue Category Title Description
3 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
File: php/7.x-apache-stretch/dev/Dockerfile
Issues: 3
Line 24: RUN apt-get update && \
Issue Category Title Description
2 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
3 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Optimise package installs in pnx-packager
containers/pnx-packager/Dockerfile
Line 3 in 6eae0fd
Line 3: RUN apt-get update && apt-get install -y git curl make && rm -rf /var/cache/apt/*
Issue Category Title Description
1 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Specify base image version in mailhog
Line 1 in 6eae0fd
Line 1: FROM mailhog/mailhog
Issue Category Title Description
1 Clarity Base Image Missing Base images should specify a tag to use.
Tag
Ensure lint issues trigger build failures
Optimise package installs in passenger images
containers/passenger/base/Dockerfile
Line 9 in 6eae0fd
File: passenger/base/Dockerfile
Issues: 4
Line 9: RUN apt-get update && \
Issue Category Title Description
1 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Line 14: RUN apt-get update && \
Issue Category Title Description
3 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
4 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
containers/passenger/dev/Dockerfile
Line 7 in 6eae0fd
File: passenger/dev/Dockerfile
Issues: 2
Line 7: RUN apt-get update && \
Issue Category Title Description
1 Optimization apt-get update with Use of apt-get update should be paired with rm -rf
matching cache rm /var/lib/apt/lists/* in the same layer.
2 Optimization Consider Consider using a `--no-install-recommends` when `apt-get`
`--no-install-recomm installing packages. This will result in a smaller image size.
ends` For
more information, see [this blog
post](http://blog.replicated.com/2016/02/05/refactoring-a-dockerfil
e-for-image-size/)
Optimise package installs in varnish
containers/varnish/4.x/dev/Dockerfile
Line 6 in 6eae0fd
File: varnish/4.x/dev/Dockerfile
Issues: 1
Line 6: RUN apk update && \
Issue Category Title Description
1 Optimization Consider `--no-cache Consider using a `--no-cache` (supported in alpine linux >= 3.3) or
or --update with rm `--update` followed by the command `rm -rf /var/cache/apk/*` when
-rf `apk` adding packages. This will result in a smaller image size.
/var/cache/apk/*` For
more information, see [this
link](https://github.com/gliderlabs/docker-alpine/blob/master/docs/
usage.md)
Unable to locate a valid CA certificate file
Arrived here via instructions at
https://www.previousnext.com.au/blog/join-us-drupalgov-2020-code-sprint#set-up-a-development-environment--2
that use a gist that references previousnext/php-apache:7.3-3.x-dev
FYI, at docker-compose run -w /data/app app composer install I get
Creating drupal_app_run ... done
Running entrypoint.d script: /docker-entrypoint.d/blackfire.sh
Skipping Backfire: Set BLACKFIRE_ENABLED=yes to enable
Running entrypoint.d script: /docker-entrypoint.d/tuner.sh
Tuning: Apache: /var/run/tuner/apache2/tuner.conf
Tuning: PHP: /var/run/tuner/php/tuner.ini
Running entrypoint.d script: /docker-entrypoint.d/xdebug.sh
Skipping Xdebug: Set XDEBUG_ENABLED=yes to enable
Unable to locate a valid CA certificate file. You must set a valid 'cafile' option.
A valid CA certificate file is required for SSL/TLS protection.
You can disable this error, at your own risk, by setting the 'disable-tls' option to true.[Composer\Downloader\TransportException]
The configured cafile was not valid or could not be read.
Add pngquant binaries
Building on #65
Can we add pngquant to the apt install? This will give us a lossy png compression option for greater size reduction, as per the findings in https://www.previousnext.com.au/blog/better-image-optimisation-drupal.
Package is just named 'pngquant'
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