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What is Cap? ​

Cap is the open source alternative to Loom. Lightweight, powerful, and cross-platform. Record and share in seconds.

How to self-host ​

There are two storage options: you can store the video data on a remote storage service like S3 or R2, or you can choose the less recommended option of storing it directly on the local VPS (or another VPS) via a MinIO service.

Option 1: Remote S3-compatible storage (AWS S3, Cloudflare R2, etc.) ​

Set these environment variables:

  • CAP_AWS_ACCESS_KEY: Your S3/R2 access key
  • CAP_AWS_SECRET_KEY: Your S3/R2 secret key
  • CAP_AWS_BUCKET: Your S3/R2 bucket name
  • CAP_AWS_REGION: Your S3/R2 region (e.g., us-east-1, auto for R2)
  • CAP_AWS_ENDPOINT: Your S3/R2 endpoint URL
  • S3_PUBLIC_ENDPOINT: Public endpoint for your bucket (same as CAP_AWS_ENDPOINT for most cases)
  • S3_INTERNAL_ENDPOINT: Internal endpoint (same as CAP_AWS_ENDPOINT for most cases)
  • S3_PATH_STYLE: true for R2/most S3-compatible, false for AWS S3 virtual-hosted style

Option 2: Local MinIO storage ​

Deploy MinIO as a separate service in the same network and set:

  • CAP_AWS_ACCESS_KEY: MinIO root user
  • CAP_AWS_SECRET_KEY: MinIO root password
  • CAP_AWS_BUCKET: Your bucket name (e.g., capso)
  • CAP_AWS_REGION: us-east-1 (or any region)
  • CAP_AWS_ENDPOINT: http://minio:9000 (internal MinIO endpoint)
  • S3_PUBLIC_ENDPOINT: http://your-minio-domain:9000 (public MinIO endpoint)
  • S3_INTERNAL_ENDPOINT: http://minio:9000 (internal MinIO endpoint)
  • S3_PATH_STYLE: true

If the RESEND_API_KEY and RESEND_FROM_DOMAIN environment variables are not set, login links will be written to the server logs. To send login links via email, you'll need to configure Resend:

  1. Create an account at Resend
  2. Connect a domain and set it as RESEND_FROM_DOMAIN
  3. Generate an API key and set it as RESEND_API_KEY

How to unlock limits (organization seats and recordings) ​

  1. Open the terminal of the MySQL service
  2. Connect to the database: mysql -u root -p planetscale and use the MYSQL_ROOT_PASSWORD when prompted
  3. Run the SQL command below, replacing your-user-id with your actual user ID
    sql
    UPDATE users SET inviteQuota = 100, stripeSubscriptionId = '12345', subscriptionStatus = 'active' WHERE id = 'your-user-id';
  4. You can verify the changes by running the following command:
    sql
    SELECT * FROM users WHERE id = 'your-user-id';

Screenshots ​