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# Development
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Install instructions in INSTALL.md
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## Bassic commands for development
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Load env variables:
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source script/env.sh .env .env.development
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Start:
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docker-compose up --build development`
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Build or rebuild:
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docker-compose build`
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Debug:
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docker attach ensl_development
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To get inside docker web+test containers:
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docker-compose exec -u root web /bin/bash`
docker-compose exec -u web web /bin/bash`
docker-compose exec -u root test /bin/bash`
docker-compose exec -u web test /bin/bash`
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Restart the web container
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docker-compose restart web`
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Run some tests:
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docker-compose exec -u web test bundle exec rspec`
docker-compose exec -u web test bundle exec rspec spec/controllers/shoutmsgs_controller_spec.rb`
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## Tips
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1. You might have to `sudo chown -R 999:999 for` for `db/data` if you have permission issues with docker.
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1. If you need to run stuff on your host (eg. ruby, rubocop, bundle install etc) run all commands from the: `Dockerfile.dev` . It should setup identical setup for your machine.
1. Add docker container names to /etc/hosts. This makes it possible to run test from local machine without using the container since editor/IDE don't integrate with Docker so well.
sudo echo `docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' ensl_dev_db` db >> /etc/hosts
1. VS Code and RubyMine are great IDE's/editors.
1. To run VS Code plugin Ruby Test Explorer in docker container you need to create path to custom path, copy the formatter and it whines about and it [still fails a bit ](https://github.com/connorshea/vscode-ruby-test-adapter/issues/21 ).
1. Do not commit too much without testing. Also keep commits small for documentation and reversability issues.
1. You need to rebuild the docker image when you change gems.
## Design of ENSL Application
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Read this to understand design decisions and follow them!
1. Env variables should be used everywhere and loaded from .env* files using Dotenv
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1. Everything should be running on containers.
1. Docker-compose is the heart of deployment
1. Dockerfile should contain the gems and prebuilt assets for production
1. The app contents are added to the docker image *on build* but it is mounted as **volume** . It will override the Dockerfile content.
## Tags in code
FIXME, TODO, EXPLAIN, OBSOLETE
## TODO issues for dev
1. Puma should be running (eg. spring), and if debugger is used it should be able to connect via docker-compose up
1. Should directories exist?
1. docker-compose has some .env specific vars and then
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## Best practices
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Take a look at these before writing anything.
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1. https://nvie.com/posts/a-successful-git-branching-model/
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1. https://docs.docker.com/develop/develop-images/dockerfile_best-practices/
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1. https://github.com/rubocop-hq/ruby-style-guide
1. https://rails-bestpractices.com/
1. http://www.betterspecs.org/
1. https://github.com/rubocop-hq/rspec-style-guide
1. Run rubocop
