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+---
+title: "Set Bundle Metadata on Build and Publish"
+description: |
+    Integrate porter into your CI/CD pipeline with new build and publish flags
+    allowing you to set the name, version, registry and more.
+date: "2021-01-14"
+authorname: "Carolyn Van Slyck"
+author: "@carolynvs"
+authorlink: "https://twitter.com/carolynvs"
+authorimage: "https://github.com/carolynvs.png"
+tags: ["release-notes", "ci-cd"]
+---
+
+With the [v0.31.0 release of Porter][v0.31.0] you can now quickly set metadata
+on your bundle. This corrects confusing terms around the OCI reference of the
+bundle (the location of a bundle in a registry).
+
+<p align=center>reference = registry/name:tag</p>
+
+* **Reference**: A bundle reference is the location of a published bundle. For
+  example, **ghcr.<span>io</span>/getporter/porter/porter-hello:v0.1.1**.
+  Previously this was called bundle tag.
+  
+  Until we release v1.0, Porter detects when you use the flags with the old
+  meanings and fixes it for you. When Porter releases v1.0, that behavior will
+  be removed.
+
+* **Registry**: The location prefix of a published bundle. For example, with
+  <strong>ghcr.<span>io</span>/getporter/porter</strong>/porter-hello:v0.1.1 the registry is
+  ghcr.<span>io</span>/getporter/porter.
+
+* **Tag**: Tag now _only_ means the OCI artifact tag, which is the last part of
+  a bundle or image reference after the colon. For example, with
+  getporter/porter-hello:<strong>v0.1.1</strong> the tag is v0.1.1. Previously this had two
+  definitions: bundle tag and OCI artifact tag.
+
+# Build Workflow
+
+You can change the bundle name and version when building the bundle. Porter
+replaces the specified field in porter.yaml in-memory with the new value before
+building the bundle. The porter.yaml file is not modified.
+
+## Name
+
+Set the bundle name with `--name` when building the bundle:
+
+```
+porter build --name porter-hello
+```
+
+## Version
+
+Set the bundle version with `--version` when building the bundle:
+
+```
+porter build --version v0.1.1
+```
+
+Most bundle pipelines will determine the version on the fly during the build
+either from application version or using git tags.
+
+# Publish Workflow
+
+You can change where the bundle is published using the flags below, and Porter
+will retag the bundle before pushing it.
+
+## Tag
+
+Set the tag with `--tag` when publishing the bundle:
+
+```
+porter publish --tag latest
+```
+
+We don't recommend using mutable tags like latest in production, but they are
+very useful during development and test.
+
+## Registry
+
+Set the registry with `--registry` when publishing the bundle:
+
+```
+porter publish --registry ghcr.io/getporter
+```
+
+This makes it easier to publish a bundle to multiple registries, for example
+both Docker Hub and GitHub Container Registry, at the same time.
+
+## Reference
+
+Set the entire reference with `--reference` when publishing the bundle:
+
+```
+porter publish --reference localhost:5000/testing/hello:dev
+```
+
+Using a combination of the build and publish flags works for most CI/CD
+scenarios. If for some reason the other flags don't work for your situation, you
+can override the entire reference, bypassing Porter's defaulting logic.
+
+---
+
+Hopefully makes it a lot easier to build and publish a bundle in your CI
+pipeline. Try it out and let us know how it works for you!
+
+[v0.31.0]: https://github.com/getporter/porter/releases/v0.31.0