fix install/update error ' No build stage in current context' for Step 3 (#1017)

fix install/update error 'No build stage in current context' for Step 3
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leoujz 2021-08-10 09:02:28 +08:00 committed by GitHub
parent 0bccdb6fb1
commit 42077bdeeb
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@ -109,6 +109,9 @@ To do this, we will need to update our files as follows:
Add to your `Dockerfile` before `RUN`:
```dockerfile
ARG BUILD_FROM
FROM $BUILD_FROM
# Install requirements for add-on
RUN apk add --no-cache python3