overwrite entire dockerfile
Pretty much the challenge I'm having is being able to replace the NODE_ENV during build time. I see that
production
is hardcoded into the default wasp dockerfile.
Appending a new dockerfile at the end does not help me much I don't think.4 Replies
Hi @ayo. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:
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To address your challenge of replacing the
NODE_ENV
during build time and overwriting the entire Dockerfile, Wasp provides a way to customize the Dockerfile completely. Here's how you can do it:
1. Create a new Dockerfile
in your project's root directory (the same folder where main.wasp
is located).
2. In this new Dockerfile
, you can define your own multi-stage build process and set the NODE_ENV
as needed.
3. Wasp will use your custom Dockerfile
instead of the default one when building your application.
This approach allows you to have full control over the build process and environment variables.
Here's the relevant documentation:
Customizing the Dockerfile
Key points from the documentation:
- If Wasp finds a Dockerfile in the project's root, it will use that file instead of the default one.
- You can choose not to use any of Wasp's build stages and have your own custom Dockerfile used as-is.
- Make sure to supply ENTRYPOINT
in your final build stage.
To see what your project's Dockerfile will look like (including your customizations), you can run:
This approach should allow you to set the NODE_ENV
to whatever value you need during the build process, giving you full control over the environment configuration.
Remember that by completely replacing the Dockerfile, you'll need to ensure that all necessary steps for building and running your Wasp application are included in your custom Dockerfile.
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Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
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Sorry @ayo, I seem to be having a bit of trouble. Don't worry though, I've pinged my support and they will try to fix me up! :technologist:
Perhaps try again in 15mins?this is what wasp dockerfile gives me @kapa.ai
From the docs:
Since the last definition in a Dockerfile wins, you can override or continue from any existing build stages. You can also choose not to use any of our build stages and have your own custom Dockerfile used as-is.So, if you copy paste the whole Dockerfile from the initial stage, your whole Dockerfile will be used. Why do you need to change the
NODE_ENV
? This env var is used to signal to the bundlers it should be a production build, not a dev build. This env var shouldn't be used to signal e.g. staging env. You should use a separate env var for that e.g. APP_ENV
.Thank you, make sense.
I'll try this and update the channel .
I read past
Since the last definition in a Dockerfile wins
too quickly
using a different env var worked perfectly. btw @miho