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CONTRIBUTING.md

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Contributors guide:

Welcome to Firecrawl 🔥! Here are some instructions on how to get the project locally, so you can run it on your own (and contribute)

If you're contributing, note that the process is similar to other open source repos i.e. (fork firecrawl, make changes, run tests, PR). If you have any questions, and would like help gettin on board, reach out to [email protected] for more or submit an issue!

Running the project locally

First, start by installing dependencies:

  1. node.js instructions
  2. pnpm instructions
  3. redis instructions

Set environment variables in a .env in the /apps/api/ directory you can copy over the template in .env.example.

To start, we wont set up authentication, or any optional sub services (pdf parsing, JS blocking support, AI features )

.env:

# ===== Required ENVS ======
NUM_WORKERS_PER_QUEUE=8
PORT=3002
HOST=0.0.0.0
REDIS_URL=redis://localhost:6379
REDIS_RATE_LIMIT_URL=redis://localhost:6379

## To turn on DB authentication, you need to set up supabase.
USE_DB_AUTHENTICATION=false

# ===== Optional ENVS ======

# Supabase Setup (used to support DB authentication, advanced logging, etc.)
SUPABASE_ANON_TOKEN=
SUPABASE_URL=
SUPABASE_SERVICE_TOKEN=

# Other Optionals
TEST_API_KEY= # use if you've set up authentication and want to test with a real API key
SCRAPING_BEE_API_KEY= #Set if you'd like to use scraping Be to handle JS blocking
OPENAI_API_KEY= # add for LLM dependednt features (image alt generation, etc.)
BULL_AUTH_KEY= @
PLAYWRIGHT_MICROSERVICE_URL=  # set if you'd like to run a playwright fallback
LLAMAPARSE_API_KEY= #Set if you have a llamaparse key you'd like to use to parse pdfs
SLACK_WEBHOOK_URL= # set if you'd like to send slack server health status messages
POSTHOG_API_KEY= # set if you'd like to send posthog events like job logs
POSTHOG_HOST= # set if you'd like to send posthog events like job logs

Installing dependencies

First, install the dependencies using pnpm.

# cd apps/api # to make sure you're in the right folder
pnpm install # make sure you have pnpm version 9+!

Running the project

You're going to need to open 3 terminals. Here is a video guide accurate as of Oct 2024.

Terminal 1 - setting up redis

Run the command anywhere within your project

redis-server

Terminal 2 - setting up workers

Now, navigate to the apps/api/ directory and run:

pnpm run workers
# if you are going to use the [llm-extract feature](https://github.com/mendableai/firecrawl/pull/586/), you should also export OPENAI_API_KEY=sk-______

This will start the workers who are responsible for processing crawl jobs.

Terminal 3 - setting up the main server

To do this, navigate to the apps/api/ directory and run if you don’t have this already, install pnpm here: https://pnpm.io/installation Next, run your server with:

pnpm run start

Terminal 3 - sending our first request.

Alright: now let’s send our first request.

curl -X GET http://localhost:3002/test

This should return the response Hello, world!

If you’d like to test the crawl endpoint, you can run this

curl -X POST http://localhost:3002/v1/crawl \
    -H 'Content-Type: application/json' \
    -d '{
      "url": "https://mendable.ai"
    }'

Tests:

The best way to do this is run the test with npm run test:local-no-auth if you'd like to run the tests without authentication.

If you'd like to run the tests with authentication, run npm run test:prod