golem-deployment-version

DevOps & Security

Configuring the deployment logical version in the Golem Application Manifest (golem.yaml): the version: source (git tag, git commit hash, static string, or env var), tuning tagPattern/hashFallback/staticFallback/allowDirty, per-environment version overrides, and the versionCheck uniqueness policy. Use when setting up or changing how deploy versions are computed, comparing environments by version, or fixing version-related deploy errors.

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Deployment Versions

Every golem deploy attaches a logical version (a string) to the new deployment. Unlike the server-assigned, per-environment revision number, the version is a human-meaningful label you control. Use it to tell whether two environments run the same logical version, to see at which version an environment last changed, and as a rollback target (golem deploy --version <v>, see golem-rollback).

The version is configured in the Golem Application Manifest (golem.yaml) under version:. Versioning is opt-in: with no version: the deployment is unversioned (empty version).

version: (how the string is computed) is orthogonal to versionCheck (whether re-using a string is rejected) — see Unique versions.

The `version:` field

version: is one of three shapes:

version: "1.2.3"              # literal string
version:
  env: MY_VERSION            # read from the named environment variable at deploy time
version:
  git: { ... }               # derived from git (see below)

Literal — used verbatim. An empty string is an error.
Env var — reads the named variable when you deploy. Missing or empty is an error.
Git — derived from the repository (tag or commit hash).

Git source

The git source has two mutually exclusive modes.

Tag mode (default)

version:
  git:
    tagPattern: "v*"         # required
    commitInfo: true
    hashFallback: false
    allowDirty: false
    staticFallback: "v0.0.0"

Field	Type	Default	Meaning
`tagPattern`	string	(required)	Only consider tags matching this glob (`git describe --tags --match`). Use `"*"` for all tags.
`commitInfo`	bool	`true`	When HEAD is past the matching tag, append `-<commits-since-tag>-g<hash>` (e.g. `v1.2.3-5-gabc1234`). `false` gives the bare nearest tag.
`hashFallback`	bool	`false`	When no matching tag is found, use the short commit hash instead of `staticFallback`.
`allowDirty`	bool	`false`	Allow deploying with uncommitted changes to tracked files, appending a `-dirty` marker. When `false`, a dirty working tree fails the deploy. Untracked files are ignored (matches `git describe --dirty`).
`staticFallback`	string	(none)	Version used when git cannot supply one (no git, not a repo, or no matching tag without `hashFallback`). Absent means those cases are an error.

Hash mode

version:
  git:
    hashOnly: true           # must be literally true; ignores tags
    allowDirty: false
    staticFallback: "v0.0.0"

Uses the short commit hash as the version, ignoring tags. tagPattern/commitInfo/hashFallback are not valid here (the two modes are mutually exclusive).

How the git version is computed

Situation	Resulting version
On the matching tag, clean	the tag, e.g. `v1.2.3`
Past the tag, `commitInfo: true`	`v1.2.3-5-gabc1234`
Past the tag, `commitInfo: false`	the nearest tag, `v1.2.3`
No matching tag, `hashFallback: true`	short commit hash, e.g. `abc1234`
No matching tag, `staticFallback` set	the static value
No git / not a repo / no commits, `staticFallback` set	the static value (with a warning)
Working tree dirty, `allowDirty: true`	the above + `-dirty`
`hashOnly: true`	short commit hash
No matching tag / no git / no commits, and no fallback	error
Working tree dirty, `allowDirty: false`	error

Per-environment override

environments.<name>.version: overrides the application-wide version:. It is a partial override — every field is optional and is layered over the root:

same source (both git, both literal, …) → fields merge (the environment wins per field);
different source → the environment replaces the root wholesale.

version:                     # application-wide default
  git:
    tagPattern: "v*"
    hashFallback: true
    staticFallback: "v0.0.0"

environments:
  local:
    version:
      git:
        allowDirty: true     # inherits tagPattern/hashFallback/staticFallback from the root
  preview:
    version: "0.0.0-preview" # replaces the root source entirely for this environment

Unique versions (`versionCheck`)

versionCheck is a per-environment deployment policy, set under environments.<name>.deployment::

environments:
  cloud:
    deployment:
      versionCheck: true

When true, a deploy whose computed version already exists in that environment is rejected (the server returns a conflict). Combined with a git-tag source this enforces "tag a new release before deploying" and prevents accidentally re-deploying the same or an older changeset. Default is false (and false for the local environment, where iterating on the same version is expected).

versionCheck governs uniqueness; the version: source governs how the string is produced — they are independent.

Full example

The default generated by golem new:

version:
  git:
    tagPattern: "v*"
    hashFallback: true
    staticFallback: "v0.0.0"

environments:
  local:
    server: local
    version:
      git:
        allowDirty: true
  cloud:
    server: cloud
    deployment:
      versionCheck: true

A tagged commit deploys as v1.2.3 (or v1.2.3-5-gabc1234 between tags); an untagged repo uses the short hash; a non-git checkout uses v0.0.0. local additionally allows dirty deploys; cloud rejects re-deploying a version that already exists.

Common errors

tagPattern is required for git tag mode — set tagPattern on the environment override or the application-wide version: (use "*" for all tags), or switch to hashOnly/static/env.
Working tree has uncommitted changes — commit the changed tracked files, or set allowDirty: true for that source. Untracked files don't count as dirty.
Repository has no commits yet — make a commit, add a staticFallback, or switch to a static/env source.
Version already exists in this environment — the environment has versionCheck: true; bump the tag/version, or roll back instead (see golem-rollback).
Environment variable not set / empty static version — provide the env variable at deploy time, or a non-empty literal.

Related Skills

Load golem-edit-manifest for the full golem.yaml reference, including the version: and deployment: fields.
Load golem-profiles-and-environments for how environments and per-environment overrides work.
Load golem-deploy for running a deployment (where the version is assigned).
Load golem-rollback for reverting to a previous deployment by --version or --revision.