Update to use frolvlad/alpine-glibc image

containers/alpine-3.10-git/.devcontainer/Dockerfile

@@ -2,16 +2,8 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
-FROM alpine:3.10
+# This image includes glibc. Change to FROM alpine:3.10 if you don't need glibc.
+FROM frolvlad/alpine-glibc:alpine-3.10 
 
-ARG GLIBC_VERSION=2.29-r0
-
-RUN apk add --no-cache -q git \
-    #
-    # Install glibc compatibility from https://github.com/sgerrand/alpine-pkg-glibc 
-    # This is optional, but increases odds of extensions working
-    && apk add --no-cache ca-certificates wget libstdc++ libgcc \
-    && wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub \
-    && wget -q https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VERSION}/glibc-${GLIBC_VERSION}.apk \
-    && apk add --no-cache glibc-${GLIBC_VERSION}.apk \
-    && rm glibc-${GLIBC_VERSION}.apk
+# Install dependencies, git, and bash
+RUN apk add --no-cache libstdc++ libgcc git bash