Trusted artifacts built into the Software Delivery Agent

Harness centralizes the storage, security, and distribution of every binary your team produces — containers, language packages, OS packages, Helm charts, ML models, and generic binaries. The main benefits include consistent versioning across environments, faster builds through caching of upstream dependencies, supply chain security via integrated scanning and signing, controlled access through RBAC and policy enforcement, and complete lineage from source commit to production deploy. Teams using a registry typically consolidate multiple standalone tools, reduce build times, and gain auditable evidence for compliance.

A package manager (npm, pip, Maven, Cargo) is the client-side tool developers use to install dependencies and publish libraries. Harness is the server-side system that stores, secures, and distributes those packages — along with every other artifact type your team builds. A modern registry supports many package formats simultaneously, adds enterprise features like RBAC, vulnerability scanning, signing, and audit logs, and serves as a controlled proxy for upstream public registries. Package managers talk to artifact registries; they are not interchangeable.

A modern artifact registry stores any binary produced by the software development lifecycle, including: container images (Docker, OCI), Helm charts, language packages (npm, Maven, Gradle, PyPI, Go, NuGet, RubyGems, Cargo, Composer), OS packages (RPM, Debian, Alpine), ML models (Hugging Face, PyTorch, ONNX), infrastructure modules (Terraform, OpenTofu), and raw or generic binaries. OCI-compliant registries can additionally store SBOMs, signed attestations, and other supply chain metadata alongside the artifacts they describe.

Securing an artifact registry involves multiple layers: authentication and authorization through RBAC and SSO; encryption in transit (TLS) and at rest; vulnerability scanning on every push; license and policy compliance checks; immutable storage so artifacts cannot be modified after publish; signing and provenance verification (e.g., Sigstore, Cosign); a dependency firewall to block malicious upstream packages at ingest; quarantine policies for failing artifacts; and full audit logging of every push, pull, and policy decision. Defense in depth across these layers is what differentiates a secure registry from a basic storage system.

Build reproducibility means producing the same artifact from the same inputs, consistently, over time. Artifact registries support this by storing immutable versions of every dependency a build pulls, caching upstream packages so external registry changes do not silently affect future builds, providing checksum verification on every pull, and tracking complete lineage between source commits, build pipelines, and produced artifacts. By pinning every dependency to a registry-controlled version, teams eliminate the "works on my machine" class of bugs and produce builds that are auditable years after they were created.

Modern engineering teams ship containers, language packages, OS packages, ML models, and infrastructure modules — often within the same product. Without universal format support, teams must operate separate registries (one for Docker, another for npm, another for Hugging Face) each with its own access control, scanning, and audit configuration. This fragmentation increases cost, weakens security posture, and slows developers down with tool sprawl. A universal artifact registry consolidates every format into one platform with consistent policy, unified RBAC, and a single audit trail across every artifact your team ships.

Software supply chain attacks target the dependencies, build tools, or distribution channels of legitimate software (e.g., the SolarWinds, Codecov, and event-stream incidents). An artifact registry mitigates these risks through a dependency firewall that blocks malicious upstream packages at ingest, vulnerability scanning that catches known CVEs on every push, signing and provenance verification that confirms artifacts came from a trusted source, immutable storage that prevents tampering, and quarantine policies that isolate risky artifacts before they reach production. Together, these create defense in depth against supply chain compromise.

Artifact signing cryptographically binds an artifact to its origin, providing a verifiable statement of who built it and that it has not been tampered with since. Modern registries support signing standards like Sigstore and Cosign, attaching signatures and provenance attestations directly to OCI artifacts. At deploy time, runtime systems (Kubernetes admission controllers, CI/CD pipelines) can verify these signatures and reject any artifact that is unsigned or signed by an untrusted key. Signing is foundational for SLSA-aligned supply chain security and increasingly required by frameworks like Executive Order 14028 and the EU Cyber Resilience Act.

CI/CD pipelines push artifacts to the registry on every successful build and pull artifacts during deployment. Integration happens through native CLI tools (docker push, npm publish, mvn deploy), webhook events that trigger downstream workflows on artifact events, OIDC-based authentication that eliminates long-lived credentials, and direct connectors with platforms like GitHub Actions, Jenkins, CircleCI, GitLab CI, and Harness CI. End-to-end integration also captures lineage — connecting each deployed artifact back to the source commit, build pipeline, and security scans that produced and validated it.