Deploy Fails: Error: failed to fetch an image "/assets": not found

Full error:

Error: failed to fetch an image or build from source: error building: failed to solve: 
failed to compute cache key: failed to calculate checksum of ref 
x17kv54jew4owbbo40pchi6pl::vs02snrutnagn1o49zsy6qpbf: "/assets": not found

https://github.com/dwyl/auth_plug_example/actions/runs/30203556645/job/89797684205#step:4:148

Should be a straightforward fix, just remove the following lines:

auth_plug_example/Dockerfile

Lines 36 to 45 in 8302275

    
           COPY assets assets 
        
           # NOTE: If using TailwindCSS, it uses a special "purge" step and that requires 
        
           # the code in `lib` to see what is being used. Uncomment that here before 
        
           # running the npm deploy script if that's the case. 
        
           # COPY lib lib 
        
           # build assets 
        
           # RUN npm run --prefix ./assets deploy 
        
           RUN mix assets.deploy

"/hits" -> "/app" in Dockerfile #132

update all versions of actions in ci.yml #132

Mad the updates in PR: #133
Attempted fly deploy on localhost but got the following error:

Error: failed to update machine 9080e526b9d258: Unrecoverable error: timeout reached waiting for health checks to pass for machine 9080e526b9d258: failed to get VM 9080e526b9d258: Get "https://api.machines.dev/v1/apps/auth-plug/machines/9080e526b9d258": net/http: request canceled

Merge pull request #133 from dwyl/fix-assets-not-found-error-issue-#132

Not yet resolved ...
https://github.com/dwyl/auth_plug_example/actions/runs/30208849252/job/89811649264

✖ Unrecoverable error: timeout reached waiting for health checks to pass for machine 9080e526b9d258: 
failed to get VM 9080e526b9d258: Get "https://api.machines.dev/v1/apps/auth-plug/machines/9080e526b9d258": 
net/http: request canceled
> Clearing lease for 9080e526b9d258
✔ Cleared lease for 9080e526b9d258
Error: failed to update machine 9080e526b9d258: Unrecoverable error: timeout reached waiting for health checks 
to pass for machine 9080e526b9d258: failed to get VM 9080e526b9d258: 
Get "https://api.machines.dev/v1/apps/auth-plug/machines/9080e526b9d258": net/http: request canceled

This feels like a Fly.io issue ... 🤷‍♂️

https://community.fly.io/t/when-im-deploying-it-gives-me-the-warning-app-is-not-listening-on-the-expected-address-and-will-not-be-reachable-by-fly-proxy/13466

WARNING The app is not listening on the expected address and will not be reachable by fly-proxy.
You can fix this by configuring your app to listen on the following addresses:
  - 0.0.0.0:4000
Found these processes inside the machine with open listening sockets:
 PROCESS                           │ ADDRESSES
───────────────────────────────────┼──────────────────────────────────────
 /.fly/hallpass                    │ [fdaa:0:e0fe:a7b:13d:acbc:74c0:2]:22
 /app/erts-16.0.1/bin/epmd -daemon │ 0.0.0.0:4369, [::]:4369

Reading: https://community.fly.io/t/health-check-failing-and-no-app/19976

Reading: https://fly.io/docs/getting-started/troubleshooting/

ran:

fly config validate
Validating ~/auth_plug_example/fly.toml
✓ Configuration is valid

Merge pull request #134 from dwyl/fix-assets-not-found-error-issue-#132

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Deploy Fails: Error: failed to fetch an image "/assets": not found #132

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	COPY assets assets

	# NOTE: If using TailwindCSS, it uses a special "purge" step and that requires
	# the code in `lib` to see what is being used. Uncomment that here before
	# running the npm deploy script if that's the case.
	# COPY lib lib

	# build assets
	# RUN npm run --prefix ./assets deploy
	RUN mix assets.deploy

Deploy Fails: Error: failed to fetch an image "/assets": not found #132

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nelsonic commented on Jul 26, 2026

nelsonic commented on Jul 26, 2026

nelsonic commented on Jul 26, 2026

nelsonic commented on Jul 26, 2026

nelsonic commented on Jul 26, 2026

nelsonic commented on Jul 26, 2026

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