Bun Service Example

Environment Variables

Environment Variable	Description	Type	Default Value	Required
LOG_LEVEL	The log level	string	info
LOG_PRETTY	Whether to log in pretty format	int	0
SERVICE_PORT	The port the service will listen on	int	3000
POSTGRES_CONNECTION_STRING	Database connection string	string		Yes
POSTGRES_QUERY_LOG	Whether to log database queries	int	0
TRANSFORMER_SECRET	Transformer secret	string		Yes

| FLOWCORE_API_KEY | Flowcore API key | string | | Yes | | FLOWCORE_TENANT | Flowcore tenant | string | | Yes | | FLOWCORE_DATA_CORE | Flowcore data core | string | | Yes | | FLOWCORE_WEBHOOK_BASE_URL | Flowcore webhook base url | string | | Yes | | SCHEDULER_CRON | The cron schedule for the scheduler | string | */10 * * * *| |

Development

App setup

# Install/update dependencies
bun install

# Make a copy of the .env.example to .env
cp .env.example .env

# You can create a new api key in flowcore and set the `FLOWCORE_API_KEY` environment variable in the `.env` file.

Database setup

# Start the database
bun db:up

# Push the database schema
bun db:push

Building

# Start the app in watch mode
bun dev

Streaming

# This will start streaming events into the transformer, so the app needs to be running

# Start the flowcore stream from the current time
bun flowcore:stream

# OR

# Start the flowcore stream from beginning
bun flowcore:backfill

Testing

# Run tests
bun test