From 42077bdeeb64abb1944985aa220cc0481be6e032 Mon Sep 17 00:00:00 2001 From: leoujz Date: Tue, 10 Aug 2021 09:02:28 +0800 Subject: [PATCH] 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 --- docs/add-ons/tutorial.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/add-ons/tutorial.md b/docs/add-ons/tutorial.md index d08af638..dc6535cc 100644 --- a/docs/add-ons/tutorial.md +++ b/docs/add-ons/tutorial.md @@ -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