A presentation at Docker Birthday #6 in in Aix-en-Provence, France by William Bartlett
William Bartlett Email: w.bartlett@treeptik.fr Twitter: @bartlettstarman LinkedIn: punkstarman GitHub: punkstarman
28th March 2019
Don’t install
Just run
docker run
William Bartlett, Treeptik
“Use the right tool for the job”
I work on many projects using various technologies and versions of them.
How do you work with varying tech stacks without going mad?
Use containers!
$ sudo apt install mysql
$ docker run mysql
$ docker-compose up -d
Really?
$ docker run ... maven
All source code at https://gitlab.com/namrats/talks/just-run-it
Requirements
UID=$(id -u)
GID=$(id -g)
MAVEN_VERSION="3.6.0-jdk-8-alpine"
MAVEN_OPTS="-Duser.home=/var/maven"
exec docker run -it --rm -u $UID:$GID \
-v $HOME/.m2:/var/maven/.m2 \
-v $PWD:/usr/src/$(basename $PWD) \
-w /usr/src/$(basename $PWD) \
-e HOME=/var/maven \
-e MAVEN_CONFIG=/var/maven/.m2 \
maven:$MAVEN_VERSION mvn $MAVEN_OPTS "$@"
Concerns
Difficulties
Requirements
stack.yaml
resolver: lts-13.14
docker:
enable: true
Concerns
Difficulties
Requirements
DOCKERFLAGS=-it --rm -u $(UID):$(GID) \
-v $(LUATEX_CACHE):$(LUATEX_CACHE) \
-v $(CURDIR)/fonts:/usr/local/share/fonts \
-v $(CURDIR):/data \
-w /data \
-e HOME=/tmp
TEX_SCRIPT=for run in $$(seq 2) ; \
do $(TEX) $(TEXFLAGS) $< ; \
done
$(PROJECT_NAME).pdf: main.tex *.tex $(LUATEX_CACHE)
docker run $(DOCKERFLAGS) $(DOCKERIMAGE) \
sh -c '$(TEX_SCRIPT)'
Concerns
Difficulties
Future work
Don’t install. Just run … docker run
We already know this for the local dev environment. We no longer install the database or middleware locally, we just run it as a container, as needed.
But do we build locally with a container?
This prez shows 3 examples of how to build apps with Docker containers.
The following resources were mentioned during the presentation or are useful additional information.
Repositories containing the source code demonstrated
for free. You
can too.