Change Bash prompt to utilize environment variable ACCOUNT_NAME.

Dockerfile

@@ -20,11 +20,13 @@ RUN apt-get update && apt-get install -y azure-cli
 
 # Configure Bash
 RUN cat <<'EOF' >> /etc/bash.bashrc
+
+# Include Git prompt helpers if available
 if [ -f /usr/lib/git-core/git-sh-prompt ]; then
   source /usr/lib/git-core/git-sh-prompt
 
   # Then PS1 can include __git_ps1 which is optimized and shows branch + state:
-  PS1='\[\e[32m\]\u@\h\[\e[0m\]:\[\e[34m\]\w\[\e[0m\]\[\e[33m\]$(__git_ps1 " (%s)")\[\e[0m\]\$ '
+  PS1='\[\e[32m\]AzureCLI (\[\e[35m\]${ACCOUNT_NAME}\[\e[0m\])\n\[\e[0m\]\[\e[34m\]\w\[\e[0m\]\[\e[33m\]$(__git_ps1 " (%s)")\[\e[0m\]\$ '
 fi
 
 export PATH=$HOME/bin:$PATH

azure-cli

@@ -107,11 +107,10 @@ fi
 EXTRA_ARGS+=(
     "--mount" "type=volume,source=$VOLUME_NAME,target=/home/${USER_NAME}"
     "--mount" "type=bind,source=$(pwd),target=/workdir"
+    "--env" "ACCOUNT_NAME=$ACCOUNT_NAME"
+    "--name" "azure-cli-$VOLUME_NAME"
+    "--workdir" "/workdir"
 )
 
 # Run the container
-$CMD run --rm -it \
+$CMD run --rm -it ${EXTRA_ARGS[@]} $IMAGE_NAME --user "$USER_NAME" "$@"
-    ${EXTRA_ARGS[@]} \
-    --name "azure-cli-$VOLUME_NAME" \
-    --workdir /workdir \
-    $IMAGE_NAME --user "$USER_NAME" "$@"