What is FluentDo Agent?

FluentDo Agent is a stable, secure by default, OSS (Apache-licensed) downstream distribution of Fluent Bit with predictable releases and long-term supported versions for 24 months.

Support & Lifecycle

Version Support Matrix

Version	Release Date	Type	End of Support	Status
26.04	Apr 2026	LTS	Apr 2028	🟡 Planned
25.10	Oct 2025	LTS	Oct 2027	🟡 Planned
25.07	Jul 2025	Regular	Jan 2026	🟢 Active

Release Schedule

Release Type	Frequency	Description
LTS Release	Twice yearly (April, October)	Long-term support for 24 months
Regular Release	Quarterly	6-month support cycle
Security Updates	Weekly	CVE patches and critical fixes
Patch Release	As needed	Bug fixes and minor updates
Main Builds	Weekly	Latest development builds from main branch

---

Why FluentDo Agent?

• ✅ Smaller footprint - Optimized for production deployments

  • Only production-essential plugins included
  • Size-focused builds with dead code elimination
  • IPO/LTO interprocedural optimization

• ✅ Security-hardened by default - Enterprise-grade security

  • FORTIFY_SOURCE and stack protection enabled
  • 17 vendor-specific plugins disabled by default
  • All remote interfaces disabled, authentication required
  • FIPS-compliant builds with OpenSSL in FIPS mode

• ✅ 24-month LTS support - Predictable and reliable

  • Weekly security patches and CVE fixes
  • Quarterly releases with long-term stability
  • Daily security scans and vulnerability reporting

• ✅ Advanced features - Production-ready capabilities

  • Performant log deduplication - reduce costs by up to 40%
  • Log sampling processor for high-volume environments
  • AI-based filtering and routing
  • Native flattening for OpenSearch/Elasticsearch
  • Type safety with automatic conflict resolution

• ✅ Battle-tested quality - Continuous validation

  • Full integration and regression testing suite
  • Memory safety validation with Valgrind/AddressSanitizer
  • Performance benchmarks and regression testing

Learn more about features →

---

Quick Start

Docker

docker run --rm -it -v /var/log/containers:/var/log/containers:ro ghcr.io/fluentdo/agent/ubi:main -c /fluent-bit/etc/fluent-bit.yaml
docker run --rm -it -v /var/log/containers:/var/log/containers:ro ghcr.io/fluentdo/agent/debian:main -c /fluent-bit/etc/fluent-bit.yaml

Ensure any files mounted are readable via the container user (cat Dockerfile.ubi|grep USER).

To specify a different configuration just mount it in as well and pass it on the command line to use.

Package Installation

# Debian/Ubuntu
apt-get install fluentdo-agent

# RHEL/CentOS
yum install fluentdo-agent

# macOS
brew install fluentdo/tap/agent

Building from Source

To compile for a specific target, run the container-based build using the upstream source/packaging/build.sh script with the specified distribution you want to build for:

git clone https://github.com/FluentDo/agent.git
cd agent
./source/packaging/build.sh -d rockylinux/9

To build the UBI or distroless containers:

git clone https://github.com/FluentDo/agent.git
cd agent
docker build -f Dockerfile.ubi .
docker build -f Dockerfile.debian .

To compile natively (requires relevant dependencies installed):

git clone https://github.com/FluentDo/agent.git
cd agent
cd source/build
cmake ..
make

Refer to the CI for full examples of different target builds:

• Container builds
• Linux builds
• Windows builds

---

Resources

• Documentation - Complete documentation and guides
• Downloads - Pre-built packages and containers
• Release Notes - Version history and changelogs
• OSS Fluent Bit Docs - Core documentation reference

---

Community & Support

• Slack - Join our community chat
• GitHub Issues - Bug reports and feature requests
• Contributing Guide - How to contribute to the project
• Commercial Support - Enterprise support with SLA

---

Security

Reporting Security Issues

If you discover a potential security issue, DO NOT create a public GitHub issue. Instead, report it directly:

📧 Email: [email protected]

Please include:

• Description of the vulnerability
• Steps to reproduce
• Potential impact
• Suggested fixes (if any)

We follow responsible disclosure and will work with you to address issues promptly.

---

License

This project is licensed under the Apache License 2.0.

Copyright

Copyright © FluentDo Contributors. See NOTICE for details.

Acknowledgments

FluentDo Agent is built on top of Fluent Bit. We are grateful to the Fluent Bit community and all contributors who make this possible ❤️

---

Website • Docs • Twitter • Support