rremoved shell env which defaults to the shell /bin/bash

test/common-utils/configure_zsh_as_default_shell/Dockerfile

@@ -0,0 +1,103 @@
+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+
+    FROM ubuntu:focal
+
+    COPY first-run-notice.txt /tmp/scripts/
+
+    RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+        # Restore man command
+        && yes | unminimize 2>&1 
+
+    ENV LANG="C.UTF-8"
+
+    # Install basic build tools
+    RUN apt-get update \
+        && apt-get upgrade -y \
+        && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+            make \
+            unzip \
+            # The tools in this package are used when installing packages for Python
+            build-essential \
+            swig3.0 \
+            # Required for Microsoft SQL Server
+            unixodbc-dev \
+            # Required for PostgreSQL
+            libpq-dev \
+            # Required for mysqlclient
+            default-libmysqlclient-dev \
+            # Required for ts
+            moreutils \
+            rsync \
+            zip \
+            libgdiplus \
+            jq \
+            # By default pip is not available in the buildpacks image
+            python-pip-whl \
+            python3-pip \
+            #.NET Core related pre-requisites
+            libc6 \
+            libgcc1 \
+            libgssapi-krb5-2 \
+            libncurses5 \
+            liblttng-ust0 \
+            libssl-dev \
+            libstdc++6 \
+            zlib1g \
+            libuuid1 \
+            libunwind8 \
+            sqlite3 \
+            libsqlite3-dev \
+            software-properties-common \
+            tk-dev \
+            uuid-dev \
+            curl \
+            gettext \
+            inotify-tools \
+        && rm -rf /var/lib/apt/lists/* \
+        # This is the folder containing 'links' to benv and build script generator
+        && apt-get update \
+        && apt-get upgrade -y \
+        && add-apt-repository universe \
+        && rm -rf /var/lib/apt/lists/*
+
+    # Verify expected build and debug tools are present
+    RUN apt-get update \
+        && apt-get -y install build-essential cmake cppcheck valgrind clang lldb llvm gdb python3-dev \
+        # Install tools and shells not in common script
+        && apt-get install -yq vim vim-doc xtail software-properties-common libsecret-1-dev \
+        # Install additional tools (useful for 'puppeteer' project)
+        && apt-get install -y --no-install-recommends libnss3 libnspr4 libatk-bridge2.0-0 libatk1.0-0 libx11-6 libpangocairo-1.0-0 \
+                                                      libx11-xcb1 libcups2 libxcomposite1 libxdamage1 libxfixes3 libpango-1.0-0 libgbm1 libgtk-3-0 \
+        # Clean up
+        && apt-get autoremove -y && apt-get clean -y \
+        # Move first run notice to right spot
+        && mkdir -p "/usr/local/etc/vscode-dev-containers/" \
+        && mv -f /tmp/scripts/first-run-notice.txt /usr/local/etc/vscode-dev-containers/
+
+    # Default to bash shell (other shells available at /usr/bin/fish and /usr/bin/zsh)
+    ENV DOCKER_BUILDKIT=1
+
+    # Install and setup fish
+    RUN apt-get install -yq fish \
+        && FISH_PROMPT="function fish_prompt\n    set_color green\n    echo -n (whoami)\n    set_color normal\n    echo -n \":\"\n    set_color blue\n    echo -n (pwd)\n    set_color normal\n    echo -n \"> \"\nend\n" \
+        && printf "$FISH_PROMPT" >> /etc/fish/functions/fish_prompt.fish \
+        && printf "if type code-insiders > /dev/null 2>&1; and not type code > /dev/null 2>&1\n  alias code=code-insiders\nend" >> /etc/fish/conf.d/code_alias.fish
+
+    # Remove scripts now that we're done with them
+    RUN apt-get clean -y && rm -rf /tmp/scripts
+
+    # Mount for docker-in-docker 
+    VOLUME [ "/var/lib/docker" ]
+
+    CMD [ "sleep", "infinity" ]
+
+    # [Optional] Install debugger for development of Codespaces - Not in resulting image by default
+    ARG DeveloperBuild
+    RUN if [ -z $DeveloperBuild ]; then \
+            echo "not including debugger" ; \
+        else \
+            curl -sSL https://aka.ms/getvsdbgsh | bash /dev/stdin -v latest -l /vsdbg ; \
+        fi