Environment variables
Corresponding env-vars
PGRWL_DAEMON_MODE # receive/serve/backup
PGRWL_MAIN_LISTEN_PORT # HTTP server port (used for management)
PGRWL_MAIN_DIRECTORY # Base directory for storing WAL files
PGRWL_RECEIVER_SLOT # Replication slot to use
PGRWL_RECEIVER_NO_LOOP # If true, do not loop on connection loss
PGRWL_RECEIVER_UPLOADER_SYNC_INTERVAL # Interval for the upload worker to check for new files
PGRWL_RECEIVER_UPLOADER_MAX_CONCURRENCY # Maximum number of files to upload concurrently
PGRWL_RECEIVER_RETENTION_ENABLE # Perform retention rules
PGRWL_RECEIVER_RETENTION_SYNC_INTERVAL # Interval for the retention worker (shouldn't run frequently - 12h is typically sufficient)
PGRWL_RECEIVER_RETENTION_KEEP_PERIOD # Remove WAL files older than given period
PGRWL_BACKUP_CRON # Basebackup cron schedule
PGRWL_BACKUP_RETENTION_ENABLE # Perform retention rules
PGRWL_BACKUP_RETENTION_TYPE # One of: (time / count)
PGRWL_BACKUP_RETENTION_VALUE # Remove backups older than given period (if time), keep last N backups (if count)
PGRWL_BACKUP_RETENTION_KEEP_LAST # Always keep last N backups (suitable when 'retention.type = time')
PGRWL_BACKUP_WALRETENTION_ENABLE # After basebackup is done, cleanup WAL-archive by oldest backup stop-LSN
PGRWL_BACKUP_WALRETENTION_RECEIVER_ADDR # Address or WAL-receiver instance (required when manage_cleanup is set to true)
PGRWL_LOG_LEVEL # One of: (trace / debug / info / warn / error)
PGRWL_LOG_FORMAT # One of: (text / json)
PGRWL_LOG_ADD_SOURCE # Include file:line in log messages (for local development)
PGRWL_METRICS_ENABLE # Optional (used in receive mode: http://host:port/metrics)
PGRWL_DEVCONFIG_PPROF_ENABLE # Enable pprof handlers
PGRWL_STORAGE_NAME # One of: (s3 / sftp)
PGRWL_STORAGE_COMPRESSION_ALGO # One of: (gzip / zstd)
PGRWL_STORAGE_ENCRYPTION_ALGO # One of: (aes-256-gcm)
PGRWL_STORAGE_ENCRYPTION_PASS # Encryption password (from env)
PGRWL_STORAGE_SFTP_HOST # SFTP server hostname
PGRWL_STORAGE_SFTP_PORT # SFTP server port
PGRWL_STORAGE_SFTP_USER # SFTP username
PGRWL_STORAGE_SFTP_PASS # SFTP password (from env)
PGRWL_STORAGE_SFTP_PKEY_PATH # Path to SSH private key (optional)
PGRWL_STORAGE_SFTP_PKEY_PASS # Required if the private key is password-protected
PGRWL_STORAGE_SFTP_BASE_DIR # Base directory with sufficient user permissions
PGRWL_STORAGE_S3_URL # S3-compatible endpoint URL
PGRWL_STORAGE_S3_ACCESS_KEY_ID # AWS access key ID
PGRWL_STORAGE_S3_SECRET_ACCESS_KEY # AWS secret access key (from env)
PGRWL_STORAGE_S3_BUCKET # Target S3 bucket name
PGRWL_STORAGE_S3_REGION # S3 region
PGRWL_STORAGE_S3_USE_PATH_STYLE # Use path-style URLs for S3
PGRWL_STORAGE_S3_DISABLE_SSL # Disable SSL