Docker environment for running Elixir applications connected with RabbitMQ and MySQL
The primary goals are currently:
- have the 3 components running and talking to each other
- define an efficient workflow for importing, running and modifying an elixir project
- swap in/out elixir/OTP versions to help migrating projects to the latest
- Connect to the running MySQL instance by connecting your client to localhost:33061
- any modifications make are retained as they are stored in the mysqldata volume
The basic idea is that you can plug any elixir version in and have it work with the mysql & rabbitmq components.
Interactive shell
docker run -it --rm elixir:latest iex
Create a new elixir project 'app' with a supervision tree
docker run -it --rm --name=elixir \
--network=elramy_ntwrk \
-v $(pwd):/usr/src/app \
-w /usr/src/app \
elixir:latest mix new app --sup
Install Hex locally
docker run -it --rm --name=elixir \
--network=elramy_ntwrk \
-v $(pwd):/usr/src/app \
-w /usr/src/app \
elixir:latest mix new app --sup
when adding hex the related data will be stored in /root/.mix, so by adding a .mix volume, this data is retained (otherwise you'll be prompted to add hex with every compile..)
Compile
docker run -it --rm --name=elixir \
--network=elramy_ntwrk \
-v $(pwd)/demo:/usr/src/app \
-w /usr/src/app \
elixir:latest mix compile
Interact with your demo app
docker run -it --rm --name=elixir \
--network=elramy_ntwrk \
-v $(pwd)/demo:/usr/src/app \
-w /usr/src/app \
elixir:latest iex -S mix
basic docker-compose shortcuts (with default env variables defined)
./develop # ps is the default command, so same as doing: docker-compose ps
./develop up -d # up all services, deamonize
./develop stop # stop all services
common iex/mix stuff
./develop iex # just start iex in an elixir contained, see ELX_VERSION
./develop iex -S mix # assume an app is created in all (see docker commands above)
./develop mix test # runs test in the app project, etc..
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