fix(docker): set default shell encoding (#30288)

This seems to be common practise, as per [here](https://github.com/search?q=org%3Amicrosoft%20%2FENV%20LANG%3DC.UTF-8%2F&type=code). Fixes #30245 Fixes #28642
microsoft · Apr 9, 2024 · 108b250 · 108b250
1 parent 86cc252
commit 108b250
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diff --git a/utils/docker/Dockerfile.focal b/utils/docker/Dockerfile.focal
@@ -4,6 +4,9 @@ ARG DEBIAN_FRONTEND=noninteractive
 ARG TZ=America/Los_Angeles
 ARG DOCKER_IMAGE_NAME_TEMPLATE="mcr.microsoft.com/playwright:v%version%-focal"
 
+ENV LANG=C.UTF-8
+ENV LC_ALL=C.UTF-8
+
 # === INSTALL Node.js ===
 
 RUN apt-get update && \

diff --git a/utils/docker/Dockerfile.jammy b/utils/docker/Dockerfile.jammy
@@ -4,6 +4,9 @@ ARG DEBIAN_FRONTEND=noninteractive
 ARG TZ=America/Los_Angeles
 ARG DOCKER_IMAGE_NAME_TEMPLATE="mcr.microsoft.com/playwright:v%version%-jammy"
 
+ENV LANG=C.UTF-8
+ENV LC_ALL=C.UTF-8
+
 # === INSTALL Node.js ===
 
 RUN apt-get update && \