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Get Started with Development

Prerequisites

Before Starting a DevContainer: Establish a .env File

You must complete this step before attempting to start a VSCode DevContainer. If you do not, you will likely see the 'Open in DevContainer' action fail.

The backend service configuration depends on Environment Variables. Add the following contents to a file named backend/.env within the project:

MODE=development
POSTGRES_USER=postgres
POSTGRES_PASSWORD=postgres
POSTGRES_HOST=db
POSTGRES_PORT=5432
POSTGRES_DATABASE=csxl
HOST=localhost
JWT_SECRET=REPLACE_ME

You should replace the value associated with JWT_SECRET with a randomly generated value, such as a generated UUID.

Start the Dev Container

Use VSCode's Command Palette to run "Dev Container: Reopen in Container". This will kick-off a process that builds the development environment's container with most required dependencies, intialize a PostgreSQL database using the configuration defaults you specified in .env, and establish a special volume for the frontend's node_modules directory.

Once the Dev Container begins, open a terminal and complete the following:

  1. Install frontend dependencies:
    1. pushd frontend
    2. npm install
    3. popd
  2. Create database and reset demo data: 2. python3 -m backend.script.create_database Note from Keaw: if you need to delete the database do python3 -m backend.script.delete_database first you need to delete it if you get an error that says the database already exists, or if reset_db can't drop the tables correctly. 3. python3 -m backend.script.reset_db
  3. Start dev server processes using the honcho process manager
    1. honcho start
      1. Wait until you see "frontend.1 | Compiled successfully" emitted from the Angular dev server.
    2. Open localhost:1560 in a browser and you should see the XL site running locally in development.
    3. To stop the development servers, press Ctrl+C in the terminal running honcho and close VSCode.

Develop in Branches

Before beginning any feature work, fixes, or other modifications, you should checkout a branch to keep the history separate from the main line history until it is ready deploying into production.

Authorize as Alternate Users

When running in a development environment, it is helpful to be able to switch between authenticated users. Our current mechanism for doing so is a special authorization route that only works in development:

Change users route pattern: http://localhost:1560/auth/as/{onyen}/{pid}

For reference, here are some mock personas that are installed in the reset_database script from above:

  1. Sol Student: http://localhost:1560/auth/as/sol/100000000
  2. Arden Ambassador: http://localhost:1560/auth/as/arden/100000001
  3. Merritt Manager: http://localhost:1560/auth/as/merritt/100000002
  4. Super User: http://localhost:1560/auth/as/root/999999999