By Marin
I have a monorepo that contains few services, one services takes really long time to build but i dont change its code very ofter. the main service i mostly work on, when i want to deploy it, all other services need to be rebuilt even through their codebase wasn’t changed. how can i add some rule to resuse old image or something when to conditionally run the build step.
vercel has something like this, where you can provide custom shell command by which you can decide will the build be skipped or not
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Hi there,
I think that the App Platform doesn’t currently support conditional builds or build skipping based on file changes like Vercel does. It rebuilds all services on deploy, even if only one changed, especially in a monorepo setup.
One workaround might be to split your services into separate components or repos if possible. That way, only the changed service triggers a build. Or, if you’re using Dockerfile-based builds or using a Docker registry with a pre-built image.
https://docs.digitalocean.com/products/app-platform/reference/dockerfile/
If you’re hitting limits or slow builds often, it’s worth dropping a note to https://do.co/support, maybe they can suggest something based on your setup.
- Bobby
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