I suddenly can no longer deploy my GoLang application to Google AppEngine

Question content

Day after day, I suddenly can no longer deploy my golang project to appengine. I get this error message in the logs:

step #2 - "build": status: downloaded newer image for eu.gcr.io/gae-runtimes/buildpacks/google-gae-18/go/builder:go_20230305_rc00
step #2 - "build": eu.gcr.io/gae-runtimes/buildpacks/google-gae-18/go/builder:go_20230305_rc00
step #2 - "build": ===> analyzing
step #2 - "build": error: failed to initialize analyzer: getting previous image: getting config file for image "eu.gcr.io/staticform/app-engine-tmp/app/www/ttl-18h:latest": get https://storage.googleapis.com/eu.artifacts.staticform.appspot.com/containers/images/sha256:af3ff480dc0053108a52bf8b7ec3e45893e4e97c507102ff524b07bc01e03249?access_token=redacted: unexpected status code 404 not found: <?xml version='1.0' encoding='utf-8'?><error><code>nosuchkey</code><message>the specified key does not exist.</message><details>no such object: eu.artifacts.staticform.appspot.com/containers/images/sha256:af3ff480dc0053108a52bf8b7ec3e45893e4e97c507102ff524b07bc01e03249</details></error>
finished step #2 - "build"
error
error: build step 2 "eu.gcr.io/gae-runtimes/buildpacks/google-gae-18/go/builder:go_20230305_rc00" failed: step exited with non-zero status: 1

First I thought go 1.11 was finally deprecated, but changing to 1.19 didn't solve the problem. Deploying with a new service name seems to work, but updating an existing service does not. Even if I change the service version.

I tested it with two of my golang projects (one without any changes). My java project deploys fine.

This is my deployment command:

gcloud app deploy --project=staticform --version=1 app.yaml

renew:

This is my app.yaml:

runtime: go111
automatic_scaling:
  min_idle_instances: 0
  max_instances: 1

handlers:
  - url: /.*
    script: auto
    secure: always
  - url: /admin/.*
    script: auto
    secure: always
    login: admin

Correct answer

Turns out all I needed was the --no-cache option. I don't know why and I don't care. ;)

So the deployment is successful using this command:

gcloud app deploy --project=staticform --version=1 --no-cache app.yaml

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