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rage / mooc.fi

https://mooc.fi
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Development environment

Requirements

Create .env files for backend and frontend. See examples and ask your local boffin for details.

Development workflow

Current node version is 18.16.0.

Run npm ci in the each of the root, backend and frontend directories to install dependencies.

Create separate shells for the database container, backend and frontend:

cd backend
docker-compose up
cd frontend
npm run dev
cd backend
npm run migrate
npm run dev

If the database doesn't seem to do anything, ie. no messages after the initial ones after running docker compose up and the database queries are not getting through, run docker compose down and try again. You can always run the database container in detached mode (-d) but then you won't see the logs live.

If you have used a development database with an older version of PostgreSQL and you want to keep your data, you will need to migrate it to the new version. See here for instructions.

Run npm run prettier in the root directory before committing. The commit runs hooks to check this as well as some linters, type checks etc.

Using pre-built librdkafka to speed up backend development By default, `node-rdkafka` builds `librdkafka` from the source. This can take minutes on a bad day and can slow development down quite considerably, especially when you're working with different branches with different dependencies and need to run `npm ci` often. However, there's an option to use the version installed locally. Do this in some other directory than the project one: ```bash wget https://github.com/edenhill/librdkafka/archive/v2.0.2.tar.gz -O - | tar -xz cd librdkafka-2.0.2 ./configure --prefix=/usr make && make install ``` You may have to do some of that as root. Alternatively, you can install a prebuilt package - see [here](https://github.com/edenhill/librdkafka) for more information. Set the env `BUILD_LIBRDKAFKA=0` when doing `npm ci` or similar on the backend to skip the build.

More documentation