List of requiered env's
- DATABASE_URI - URI for mongodb connection
- DATABASE_COLLECTION - MongoDB collection where is stored info
- PORT - Local port, what's app is listining
- CORS - List of allowed origins
- BUCKET_ENDPOINT - Hostname for s3 storage origin
- BUCKET_ACCESS_KEY - Access key from s3 storage
- BUCKET_SECRET_KEY - Secret key from s3 storage
- BUCKET_NAME - Name of the bucket, where data is stored