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dbbackup v2.1.0 Release Notes

Release Date: November 26, 2025
Git Tag: v2.1.0
Commit: 3a08b90

🎉 What's New in v2.1.0

☁️ Cloud Storage Integration (MAJOR FEATURE)

Complete native support for three major cloud providers:

S3/MinIO/Backblaze B2

  • Native S3-compatible backend
  • Streaming multipart uploads (>100MB files)
  • Path-style and virtual-hosted-style addressing
  • LocalStack/MinIO testing support

Azure Blob Storage

  • Native Azure SDK integration
  • Block blob uploads with 100MB staging for large files
  • Azurite emulator support for local testing
  • SHA-256 metadata storage

Google Cloud Storage

  • Native GCS SDK integration
  • 16MB chunked uploads
  • Application Default Credentials (ADC)
  • fake-gcs-server support for testing

🎨 TUI Cloud Configuration

Configure cloud storage directly in interactive mode:

  • Settings Menu → Cloud Storage section
  • Toggle cloud storage on/off
  • Select provider (S3, MinIO, B2, Azure, GCS)
  • Configure bucket/container, region, credentials
  • Enable auto-upload after backups
  • Credential masking for security

🌐 Cross-Platform Support (10/10 Platforms)

All platforms now build successfully:

  • ✅ Linux (x64, ARM64, ARMv7)
  • ✅ macOS (Intel, Apple Silicon)
  • ✅ Windows (x64, ARM64)
  • ✅ FreeBSD (x64)
  • ✅ OpenBSD (x64)
  • ✅ NetBSD (x64)

Fixed Issues:

  • Windows: syscall.Rlimit compatibility
  • BSD: int64/uint64 type conversions
  • OpenBSD: RLIMIT_AS unavailable
  • NetBSD: syscall.Statfs API differences

📋 Complete Feature Set (v2.1.0)

Database Support

  • PostgreSQL (9.x - 16.x)
  • MySQL (5.7, 8.x)
  • MariaDB (10.x, 11.x)

Backup Modes

  • Single Database - Backup one database
  • Cluster Backup - All databases (PostgreSQL only)
  • Sample Backup - Reduced-size backups for testing

Cloud Providers

  • S3 - Amazon S3 (s3://bucket/path)
  • MinIO - Self-hosted S3-compatible (s3://bucket/path + endpoint)
  • Backblaze B2 - B2 Cloud Storage (s3://bucket/path + endpoint)
  • Azure Blob Storage - Microsoft Azure (azure://container/path)
  • Google Cloud Storage - Google Cloud (gcs://bucket/path)

Core Features

  • ✅ Streaming compression (constant memory usage)
  • ✅ Parallel processing (auto CPU detection)
  • ✅ SHA-256 verification
  • ✅ JSON metadata (.info files)
  • ✅ Retention policies (cleanup old backups)
  • ✅ Interactive TUI with progress tracking
  • ✅ Configuration persistence (.dbbackup.conf)
  • ✅ Cloud auto-upload
  • ✅ Multipart uploads (>100MB)
  • ✅ Progress tracking with ETA

🚀 Quick Start Examples

Basic Cloud Backup

# Configure via TUI
./dbbackup interactive
# Navigate to: Configuration Settings
# Enable: Cloud Storage = true
# Set: Cloud Provider = s3
# Set: Cloud Bucket = my-backups
# Set: Cloud Auto-Upload = true

# Backup will now auto-upload to S3
./dbbackup backup single mydb

Command-Line Cloud Backup

# S3
export AWS_ACCESS_KEY_ID="your-key"
export AWS_SECRET_ACCESS_KEY="your-secret"
./dbbackup backup single mydb --cloud s3://my-bucket/backups/

# Azure
export AZURE_STORAGE_ACCOUNT="myaccount"
export AZURE_STORAGE_KEY="key"
./dbbackup backup single mydb --cloud azure://my-container/backups/

# GCS (with service account)
export GOOGLE_APPLICATION_CREDENTIALS="/path/to/service-account.json"
./dbbackup backup single mydb --cloud gcs://my-bucket/backups/

Cloud Restore

# Restore from S3
./dbbackup restore single s3://my-bucket/backups/mydb_20250126.tar.gz

# Restore from Azure
./dbbackup restore single azure://my-container/backups/mydb_20250126.tar.gz

# Restore from GCS
./dbbackup restore single gcs://my-bucket/backups/mydb_20250126.tar.gz

📦 Installation

Pre-compiled Binaries

# Linux x64
curl -L https://git.uuxo.net/uuxo/dbbackup/raw/branch/main/bin/dbbackup_linux_amd64 -o dbbackup
chmod +x dbbackup

# macOS Intel
curl -L https://git.uuxo.net/uuxo/dbbackup/raw/branch/main/bin/dbbackup_darwin_amd64 -o dbbackup
chmod +x dbbackup

# macOS Apple Silicon
curl -L https://git.uuxo.net/uuxo/dbbackup/raw/branch/main/bin/dbbackup_darwin_arm64 -o dbbackup
chmod +x dbbackup

# Windows (PowerShell)
Invoke-WebRequest -Uri "https://git.uuxo.net/uuxo/dbbackup/raw/branch/main/bin/dbbackup_windows_amd64.exe" -OutFile "dbbackup.exe"

Docker

docker pull git.uuxo.net/uuxo/dbbackup:latest

# With cloud credentials
docker run --rm \
  -e AWS_ACCESS_KEY_ID="key" \
  -e AWS_SECRET_ACCESS_KEY="secret" \
  -e PGHOST=postgres \
  -e PGUSER=postgres \
  -e PGPASSWORD=secret \
  git.uuxo.net/uuxo/dbbackup:latest \
  backup single mydb --cloud s3://bucket/backups/

🧪 Testing Cloud Storage

Local Testing with Emulators

# MinIO (S3-compatible)
docker compose -f docker-compose.minio.yml up -d
./scripts/test_cloud_storage.sh

# Azure (Azurite)
docker compose -f docker-compose.azurite.yml up -d
./scripts/test_azure_storage.sh

# GCS (fake-gcs-server)
docker compose -f docker-compose.gcs.yml up -d
./scripts/test_gcs_storage.sh

📚 Documentation

🔄 Upgrade from v2.0

v2.1.0 is fully backward compatible with v2.0. Existing backups and configurations work without changes.

New in v2.1:

  • Cloud storage configuration in TUI
  • Auto-upload functionality
  • Cross-platform Windows/NetBSD support

Migration steps:

  1. Update binary: Download latest from bin/ directory
  2. (Optional) Enable cloud: ./dbbackup interactive → Settings → Cloud Storage
  3. (Optional) Configure provider, bucket, credentials
  4. Existing local backups remain unchanged

🐛 Known Issues

None at this time. All 10 platforms building successfully.

Report issues: https://git.uuxo.net/uuxo/dbbackup/issues

🗺️ Roadmap - What's Next?

v2.2 - Incremental Backups (Planned)

  • File-level incremental for PostgreSQL
  • Binary log incremental for MySQL
  • Differential backup support

v2.3 - Encryption (Planned)

  • AES-256 at-rest encryption
  • Encrypted cloud uploads
  • Key management

v2.4 - PITR (Planned)

  • WAL archiving (PostgreSQL)
  • Binary log archiving (MySQL)
  • Restore to specific timestamp

v2.5 - Enterprise Features (Planned)

  • Prometheus metrics
  • Remote restore
  • Replication slot management

👥 Contributors

  • uuxo (maintainer)

📄 License

See LICENSE file in repository.

Full Changelog: https://git.uuxo.net/uuxo/dbbackup/src/branch/main/CHANGELOG.md