docs: add the DEPLOY namespace to the error reference by quicksilversel · Pull Request #377 · prisma/prisma-cli

quicksilversel · 2026-10-29T08:25:49Z

Every DEPLOY.* error prints a docsUrl that resolves to this page, but the page had no DEPLOY section, so the links dead-ended. Hit in practice through DEPLOY.PREFLIGHT_FAILED (prisma/composer#394), whose printed docs link leads nowhere.

docs/reference/error-reference.md: a DEPLOY row in the namespace table and a DEPLOY section between CLI and DEV, with one entry per code the mounted Composer family raises (14 codes, enumerated from @prisma/composer and @prisma/composer-prisma-cloud 0.35.0). Entry text follows each envelope's own message, why and fix fields, and the format mirrors the existing family-maintained DEV entries.

Validation

Markdown-only change. pnpm check:error-reference verifies codes from this repository's source, so added family entries do not affect it.

The deploy pipeline's errors print docsUrls that point at this page, but the page had no DEPLOY section, so every such link dead-ended. Adds the namespace table row and one entry per code the mounted Composer family raises, with text taken from the envelopes' own message, why and fix fields. Signed-off-by: quicksilversel <quicksilversel@gmail.com>

coderabbitai · 2026-10-29T08:26:29Z

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docs/reference/error-reference.md

Summary by CodeRabbit

Documentation
- Expanded the error reference with deployment and teardown error codes, covering configuration, runtime, validation, and pipeline failures.
- Added the deployment error namespace to the namespace table.

Walkthrough

The error reference adds the DEPLOY namespace to its namespace table. It describes the pipeline shared by Composer deploy and destroy operations and documents 14 error codes for dependency, configuration, container, engine, preflight, stage, target, teardown, and unexpected pipeline errors.

Merge Risk: Low · previous review a2640

The documentation is usable but should correct the unclear sentence before merging.

Pre-merge checks: 4

Check name	Status	Explanation
Title check		The title names the change: adding a DEPLOY namespace to the error reference doc. The raw summary confirms a DEPLOY row in the namespace table and a DEPLOY section documenting 14 error codes in docs/r…
Description check		The description is related to the changeset. It explains why the DEPLOY section is needed (docsUrl links from DEPLOY.* errors dead-end on this page). It names the added DEPLOY row and section in error…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Title check

Explanation

The title names the change: adding a DEPLOY namespace to the error reference doc. The raw summary confirms a DEPLOY row in the namespace table and a DEPLOY section documenting 14 error codes in docs/reference/error-reference.md. The title is specific, concise, and matches the main change.

Full details: Description check

Explanation

The description is related to the changeset. It explains why the DEPLOY section is needed (docsUrl links from DEPLOY.* errors dead-end on this page). It names the added DEPLOY row and section in error-reference.md, the 14 codes, and the source versions used. It also notes the change is Markdown-only and describes the validation step.

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kristof-siket

@quicksilversel nice work, thanks! I noticed that some of the error codes come from the previous CLI version, which used Composer 0.35.0. We are now at 0.36.0, which shipped some changes. You can see my proposals for changes wherever the contract has changed. Please let me know if you have any questions 🙏

kristof-siket · 2026-11-05T08:45:38Z

 | `BRANCH` | Branch listing (`prisma branch`) |
 | `BUCKET` | Bucket and bucket-key management (`prisma bucket`) |
 | `CLI` | Engine-level invocation: arguments, config loading, prompts, consent, credentials, child processes |
+| `DEPLOY` | Deploying and destroying a Composer app (`prisma deploy`, and the `deploy` and `destroy` operations of `@prisma/composer/control`) |


Composer 0.36.0 adds prisma deploy list, which raises some of these codes too (DEPLOY.TARGET_NOT_FOUND, DEPLOY.CONTAINER_FAILED and the environment-name errors).

Suggested change

| `DEPLOY` | Deploying and destroying a Composer app (`prisma deploy`, and the `deploy` and `destroy` operations of `@prisma/composer/control`) |

| `DEPLOY` | Deploying, listing and destroying a Composer app (`prisma deploy`, `prisma deploy list`, and the `deploy` and `destroy` operations of `@prisma/composer/control`) |

kristof-siket · 2026-11-05T08:45:38Z


+## DEPLOY
+
+These codes come from Composer, the command family behind `prisma deploy` and the `deploy` and `destroy` operations of `@prisma/composer/control`. The pipeline both actions share loads the config and app, assembles each service, connects to the deploy target, runs each extension's preflight (on the Prisma Cloud target, the environment-variable check), and hands the generated stack program to the deploy engine (alchemy).


Same as the namespace row: prisma deploy list is new in 0.36.0.

Suggested change

These codes come from Composer, the command family behind `prisma deploy` and the `deploy` and `destroy` operations of `@prisma/composer/control`. The pipeline both actions share loads the config and app, assembles each service, connects to the deploy target, runs each extension's preflight (on the Prisma Cloud target, the environment-variable check), and hands the generated stack program to the deploy engine (alchemy).

These codes come from Composer, the command family behind `prisma deploy`, `prisma deploy list`, and the `deploy` and `destroy` operations of `@prisma/composer/control`. The pipeline deploy and destroy share loads the config and app, assembles each service, connects to the deploy target, runs each extension's preflight (on the Prisma Cloud target, the environment-variable check), and hands the generated stack program to the deploy engine (alchemy).

kristof-siket · 2026-11-05T08:45:38Z

+
+### DEPLOY.ALCHEMY_BIN_MISSING
+
+Composer starts the deploy engine from the `alchemy` package installed beside `@prisma/composer`, and no runnable engine entry could be resolved from the app's installed dependencies. Layouts without a `node_modules` directory, such as Yarn Plug'n'Play, are not supported. The fix is to reinstall dependencies so `@prisma/composer` and its `alchemy` dependency sit in a `node_modules` directory. Meta: none.


Small one: this code is also raised when the app can't resolve @prisma/composer itself (Could not resolve @prisma/composer from "<appDir>"), not only the engine.

Suggested change

Composer starts the deploy engine from the `alchemy` package installed beside `@prisma/composer`, and no runnable engine entry could be resolved from the app's installed dependencies. Layouts without a `node_modules` directory, such as Yarn Plug'n'Play, are not supported. The fix is to reinstall dependencies so `@prisma/composer` and its `alchemy` dependency sit in a `node_modules` directory. Meta: none.

Composer starts the deploy engine from the `alchemy` package installed beside `@prisma/composer`, and either `@prisma/composer` itself could not be resolved from the app, or no runnable engine entry could be resolved beside it. Layouts without a `node_modules` directory, such as Yarn Plug'n'Play, are not supported. The fix is to check that the app depends on `@prisma/composer` and to reinstall dependencies so `@prisma/composer` and its `alchemy` dependency sit in a `node_modules` directory. Meta: none.

kristof-siket · 2026-11-05T08:45:38Z

+
+### DEPLOY.CONTAINER_FAILED
+
+Preparing the deploy target's container failed: ensuring it exists on a deploy, or locating it on a destroy. The underlying error rides as the cause.


prisma deploy list raises this too when the lookup fails.

Suggested change

Preparing the deploy target's container failed: ensuring it exists on a deploy, or locating it on a destroy. The underlying error rides as the cause.

Preparing the deploy target's container failed: ensuring it exists on a deploy, or locating it on a destroy or `prisma deploy list`. The underlying error rides as the cause.

kristof-siket · 2026-11-05T08:45:38Z

+
+### DEPLOY.ENGINE_FAILED
+
+The deploy engine run failed: it could not be spawned, was interrupted by a signal, or exited non-zero. The message carries the engine's own error lines (credentials redacted). `meta.diagnostics` carries the exit code or signal, the path of the generated stack file (`.prisma-composer/alchemy.run.ts`), and a reproduce command that runs the engine directly against that file — running it separates "the framework computed the wrong thing" from "the engine or platform rejected the right thing". Meta: `diagnostics` (`exitCode` or `signal`, `stackFilePath`, `reproduceCommand`, `cwd`), and `signal` when interrupted.


On a non-zero exit the error also carries a top-level exitCode, and engineCause when the engine recorded one.

Suggested change

The deploy engine run failed: it could not be spawned, was interrupted by a signal, or exited non-zero. The message carries the engine's own error lines (credentials redacted). `meta.diagnostics` carries the exit code or signal, the path of the generated stack file (`.prisma-composer/alchemy.run.ts`), and a reproduce command that runs the engine directly against that file — running it separates "the framework computed the wrong thing" from "the engine or platform rejected the right thing". Meta: `diagnostics` (`exitCode` or `signal`, `stackFilePath`, `reproduceCommand`, `cwd`), and `signal` when interrupted.

The deploy engine run failed: it could not be spawned, was interrupted by a signal, or exited non-zero. The message carries the engine's own error lines (credentials redacted). `meta.diagnostics` carries the exit code or signal, the path of the generated stack file (`.prisma-composer/alchemy.run.ts`), and a reproduce command that runs the engine directly against that file — running it separates "the framework computed the wrong thing" from "the engine or platform rejected the right thing". Meta: `diagnostics` (`exitCode` or `signal`, `stackFilePath`, `reproduceCommand`, `cwd`); on a non-zero exit also `exitCode`, and `engineCause` when the engine recorded one; `signal` when interrupted.

kristof-siket · 2026-11-05T08:45:38Z

+### DEPLOY.ENGINE_FAILED
+
+The deploy engine run failed: it could not be spawned, was interrupted by a signal, or exited non-zero. The message carries the engine's own error lines (credentials redacted). `meta.diagnostics` carries the exit code or signal, the path of the generated stack file (`.prisma-composer/alchemy.run.ts`), and a reproduce command that runs the engine directly against that file — running it separates "the framework computed the wrong thing" from "the engine or platform rejected the right thing". Meta: `diagnostics` (`exitCode` or `signal`, `stackFilePath`, `reproduceCommand`, `cwd`), and `signal` when interrupted.
+


Composer 0.36.0 renamed "stage" to "environment" (prisma/composer#390): the flag is now --environment, and the stage codes became environment codes. It also added DEPLOY.ENVIRONMENT_REQUIRED for destroy() without an environment. These go here to keep the section in alphabetical order; the old STAGE_* entries below can then go.

Suggested change

### DEPLOY.ENVIRONMENT_INVALID

`--environment` was given a value that is not a valid git ref name (`git check-ref-format` rejected `refs/heads/<environment>`). Names made only of letters, digits, `-` and `_` are always valid and skip the check. The fix is to pass an environment name that is a valid git ref name. Meta: none.

### DEPLOY.ENVIRONMENT_REQUIRED

The `destroy` operation of `@prisma/composer/control` was called without an `environment`. Destroy never defaults to production, so a call without a name has no target. The fix is to pass `environment`, for example `destroy({ environment: 'staging', config })`. Meta: none.

### DEPLOY.ENVIRONMENT_UNVALIDATABLE

`git` is needed to validate an `--environment` name that contains characters other than letters, digits, `-` and `_` (via `git check-ref-format`), and running it failed, for example because git is not installed. The fix is to install git or make it runnable from PATH, or to use a name made only of letters, digits, `-` and `_`. The underlying error rides as the cause.

kristof-siket · 2026-11-05T08:45:38Z

+### DEPLOY.SCOPE_MISSING
+
+The configured deploy target supplied no deploy scope (its container defines no stage for the engine to run under). On a deploy the fix is to pass `--stage <name>` to choose the deploy scope explicitly; destroying production needs a target whose container supplies the production deploy scope. Meta: none.
+


DEPLOY.SCOPE_MISSING was removed in Composer 0.36.0, so nothing raises it anymore.

Suggested change

### DEPLOY.SCOPE_MISSING

The configured deploy target supplied no deploy scope (its container defines no stage for the engine to run under). On a deploy the fix is to pass `--stage <name>` to choose the deploy scope explicitly; destroying production needs a target whose container supplies the production deploy scope. Meta: none.

kristof-siket · 2026-11-05T08:45:39Z

+### DEPLOY.STAGE_INVALID
+
+`--stage` was given a value that is not a valid git ref name (`git check-ref-format` rejected `refs/heads/<stage>`). The fix is to pass a stage name that is a valid git ref name. Meta: none.
+
+### DEPLOY.STAGE_UNVALIDATABLE
+
+`git` is required to validate `--stage` (via `git check-ref-format`) and running it failed, for example because git is not installed. The fix is to install git or make it runnable from PATH. The underlying error rides as the cause.
+


These two became DEPLOY.ENVIRONMENT_INVALID and DEPLOY.ENVIRONMENT_UNVALIDATABLE in 0.36.0 (see the suggestion after DEPLOY.ENGINE_FAILED).

Suggested change

### DEPLOY.STAGE_INVALID

`--stage` was given a value that is not a valid git ref name (`git check-ref-format` rejected `refs/heads/<stage>`). The fix is to pass a stage name that is a valid git ref name. Meta: none.

### DEPLOY.STAGE_UNVALIDATABLE

`git` is required to validate `--stage` (via `git check-ref-format`) and running it failed, for example because git is not installed. The fix is to install git or make it runnable from PATH. The underlying error rides as the cause.

kristof-siket · 2026-11-05T08:45:39Z

+
+### DEPLOY.TARGET_NOT_FOUND
+
+A destroy named an app (and optionally a stage) for which nothing is deployed, so the deploy target's container could not be located. Destroy never creates anything, so the fix is to deploy it first — or to pass the stage that actually exists. Meta: none.


The environment is required now (not optional), and prisma deploy list raises this code too.

Suggested change

A destroy named an app (and optionally a stage) for which nothing is deployed, so the deploy target's container could not be located. Destroy never creates anything, so the fix is to deploy it first — or to pass the stage that actually exists. Meta: none.

A destroy or `prisma deploy list` named an app and environment for which nothing is deployed, so the deploy target's container could not be located. Destroy never creates anything, so the fix is to deploy it first, or to pass the environment that actually exists. Meta: none.

Apply the review on prisma#377: name prisma deploy list where it raises DEPLOY codes, replace the STAGE_* entries with the ENVIRONMENT_* codes, add ENVIRONMENT_REQUIRED, drop the removed SCOPE_MISSING, and complete the ALCHEMY_BIN_MISSING and ENGINE_FAILED entries. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

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Actionable comments posted: 1

Fix comments: Fix CodeRabbit comments on this PR

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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @docs/reference/error-reference.md:
- Line 252: Update the Composer pipeline description to clarify that the deploy
and destroy operations share a pipeline that loads the config and app; preserve
the rest of the description.

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quicksilversel · 2026-11-05T10:00:48Z

@kristof-siket
Hi! Thanks so much for the quick and thorough review, applied all of it in 7e76765 :)

Also, sorry for pushing again after your approval. I picked up CodeRabbit’s wording fix for the pipeline sentence in the DEPLOY intro, but if you’d prefer your original wording, just let me know and I’m happy to revert it.

The 0.36.0 changes you described sound really nice, especially treating production as just another named environment and having destroy() refuse to default to it. Looking forward to it!

kristof-siket · 2026-11-05T10:02:20Z

@coderabbitai approve

coderabbitai · 2026-11-05T10:02:34Z

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Comment thread docs/reference/error-reference.md Resolved

quicksilversel force-pushed the docs/deploy-error-namespace branch from a26405b to fe710f4 Compare November 5, 2026 09:50

docs: follow the Composer 0.36.0 DEPLOY error contract

7e76765

kristof-siket approved these changes Nov 5, 2026

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quicksilversel force-pushed the docs/deploy-error-namespace branch from fe710f4 to 7e76765 Compare November 5, 2026 09:54

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kristof-siket merged commit 4e52dff into prisma:main Nov 5, 2026
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	\| `DEPLOY` \| Deploying and destroying a Composer app (`prisma deploy`, and the `deploy` and `destroy` operations of `@prisma/composer/control`) \|
	\| `DEPLOY` \| Deploying, listing and destroying a Composer app (`prisma deploy`, `prisma deploy list`, and the `deploy` and `destroy` operations of `@prisma/composer/control`) \|


		## DEPLOY

		These codes come from Composer, the command family behind `prisma deploy` and the `deploy` and `destroy` operations of `@prisma/composer/control`. The pipeline both actions share loads the config and app, assembles each service, connects to the deploy target, runs each extension's preflight (on the Prisma Cloud target, the environment-variable check), and hands the generated stack program to the deploy engine (alchemy).


		### DEPLOY.ALCHEMY_BIN_MISSING

		Composer starts the deploy engine from the `alchemy` package installed beside `@prisma/composer`, and no runnable engine entry could be resolved from the app's installed dependencies. Layouts without a `node_modules` directory, such as Yarn Plug'n'Play, are not supported. The fix is to reinstall dependencies so `@prisma/composer` and its `alchemy` dependency sit in a `node_modules` directory. Meta: none.


		### DEPLOY.CONTAINER_FAILED

		Preparing the deploy target's container failed: ensuring it exists on a deploy, or locating it on a destroy. The underlying error rides as the cause.


		### DEPLOY.ENGINE_FAILED

		The deploy engine run failed: it could not be spawned, was interrupted by a signal, or exited non-zero. The message carries the engine's own error lines (credentials redacted). `meta.diagnostics` carries the exit code or signal, the path of the generated stack file (`.prisma-composer/alchemy.run.ts`), and a reproduce command that runs the engine directly against that file — running it separates "the framework computed the wrong thing" from "the engine or platform rejected the right thing". Meta: `diagnostics` (`exitCode` or `signal`, `stackFilePath`, `reproduceCommand`, `cwd`), and `signal` when interrupted.

+### DEPLOY.ENVIRONMENT_INVALID
+`--environment` was given a value that is not a valid git ref name (`git check-ref-format` rejected `refs/heads/<environment>`). Names made only of letters, digits, `-` and `_` are always valid and skip the check. The fix is to pass an environment name that is a valid git ref name. Meta: none.
+### DEPLOY.ENVIRONMENT_REQUIRED
+The `destroy` operation of `@prisma/composer/control` was called without an `environment`. Destroy never defaults to production, so a call without a name has no target. The fix is to pass `environment`, for example `destroy({ environment: 'staging', config })`. Meta: none.
+### DEPLOY.ENVIRONMENT_UNVALIDATABLE
+`git` is needed to validate an `--environment` name that contains characters other than letters, digits, `-` and `_` (via `git check-ref-format`), and running it failed, for example because git is not installed. The fix is to install git or make it runnable from PATH, or to use a name made only of letters, digits, `-` and `_`. The underlying error rides as the cause.

		### DEPLOY.SCOPE_MISSING

		The configured deploy target supplied no deploy scope (its container defines no stage for the engine to run under). On a deploy the fix is to pass `--stage <name>` to choose the deploy scope explicitly; destroying production needs a target whose container supplies the production deploy scope. Meta: none.


		### DEPLOY.TARGET_NOT_FOUND

		A destroy named an app (and optionally a stage) for which nothing is deployed, so the deploy target's container could not be located. Destroy never creates anything, so the fix is to deploy it first — or to pass the stage that actually exists. Meta: none.

	A destroy named an app (and optionally a stage) for which nothing is deployed, so the deploy target's container could not be located. Destroy never creates anything, so the fix is to deploy it first — or to pass the stage that actually exists. Meta: none.
	A destroy or `prisma deploy list` named an app and environment for which nothing is deployed, so the deploy target's container could not be located. Destroy never creates anything, so the fix is to deploy it first, or to pass the environment that actually exists. Meta: none.

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quicksilversel commented Oct 29, 2026

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