Look for the largest image

2 months ago · b592ad82bc
4 changed files with 523 additions and 3 deletions
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@ -0,0 +1,33 @@
				@@ -0,0 +1,33 @@
+# Update VARIANT in devcontainer.json to pick a Dart version
+ARG VARIANT=2
+FROM dart:${VARIANT}
+
+# [Option] Install zsh
+ARG INSTALL_ZSH="true"
+# [Option] Upgrade OS packages to their latest versions
+ARG UPGRADE_PACKAGES="false"
+
+# Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+COPY library-scripts/*.sh /tmp/library-scripts/
+RUN apt-get update && /bin/bash /tmp/library-scripts/common-debian.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" "true" "true" \
+    && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts
+
+# Add bin location to path
+ENV PUB_CACHE="/usr/local/share/pub-cache"
+ENV PATH="${PUB_CACHE}/bin:${PATH}"
+RUN if ! cat /etc/group | grep -e "^pub-cache:" > /dev/null 2>&1; then groupadd -r pub-cache; fi \
+    && usermod -a -G pub-cache ${USERNAME} \
+    && umask 0002 \
+    && mkdir -p ${PUB_CACHE} \
+    && chown :pub-cache ${PUB_CACHE} \
+    && sed -i -e "s/export PATH=/export PATH=\/usr\/local\/share\/pub-cache:/" /etc/profile.d/00-restore-env.sh \
+    #
+    # Fix incorrect privs if present on directories - https://github.com/dart-lang/dart-docker/issues/62, https://github.com/dart-lang/sdk/issues/47093
+    && chmod 755 "$DART_SDK" "$DART_SDK/bin"
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@ -0,0 +1,27 @@
				@@ -0,0 +1,27 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.231.6/containers/dart
+{
+	"name": "Dart (Community)",
+	"build": {
+		"dockerfile": "Dockerfile",
+		// Update VARIANT to pick a Dart version
+		"args": { "VARIANT": "2" }
+	},
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"dart-code.dart-code"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "uname -a",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+}
--- a/.devcontainer/library-scripts/common-debian.sh
+++ b/.devcontainer/library-scripts/common-debian.sh
@ -0,0 +1,454 @@
				@@ -0,0 +1,454 @@
+#!/usr/bin/env bash
+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+#
+# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/common.md
+# Maintainer: The VS Code and Codespaces Teams
+#
+# Syntax: ./common-debian.sh [install zsh flag] [username] [user UID] [user GID] [upgrade packages flag] [install Oh My Zsh! flag] [Add non-free packages]
+
+set -e
+
+INSTALL_ZSH=${1:-"true"}
+USERNAME=${2:-"automatic"}
+USER_UID=${3:-"automatic"}
+USER_GID=${4:-"automatic"}
+UPGRADE_PACKAGES=${5:-"true"}
+INSTALL_OH_MYS=${6:-"true"}
+ADD_NON_FREE_PACKAGES=${7:-"false"}
+SCRIPT_DIR="$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)"
+MARKER_FILE="/usr/local/etc/vscode-dev-containers/common"
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
+    exit 1
+fi
+
+# Ensure that login shells get the correct path if the user updated the PATH using ENV.
+rm -f /etc/profile.d/00-restore-env.sh
+echo "export PATH=${PATH//$(sh -lc 'echo $PATH')/\$PATH}" > /etc/profile.d/00-restore-env.sh
+chmod +x /etc/profile.d/00-restore-env.sh
+
+# If in automatic mode, determine if a user already exists, if not use vscode
+if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then
+    USERNAME=""
+    POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
+    for CURRENT_USER in ${POSSIBLE_USERS[@]}; do
+        if id -u ${CURRENT_USER} > /dev/null 2>&1; then
+            USERNAME=${CURRENT_USER}
+            break
+        fi
+    done
+    if [ "${USERNAME}" = "" ]; then
+        USERNAME=vscode
+    fi
+elif [ "${USERNAME}" = "none" ]; then
+    USERNAME=root
+    USER_UID=0
+    USER_GID=0
+fi
+
+# Load markers to see which steps have already run
+if [ -f "${MARKER_FILE}" ]; then
+    echo "Marker file found:"
+    cat "${MARKER_FILE}"
+    source "${MARKER_FILE}"
+fi
+
+# Ensure apt is in non-interactive to avoid prompts
+export DEBIAN_FRONTEND=noninteractive
+
+# Function to call apt-get if needed
+apt_get_update_if_needed()
+{
+    if [ ! -d "/var/lib/apt/lists" ] || [ "$(ls /var/lib/apt/lists/ | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update
+    else
+        echo "Skipping apt-get update."
+    fi
+}
+
+# Run install apt-utils to avoid debconf warning then verify presence of other common developer tools and dependencies
+if [ "${PACKAGES_ALREADY_INSTALLED}" != "true" ]; then
+
+    package_list="apt-utils \
+        openssh-client \
+        gnupg2 \
+        dirmngr \
+        iproute2 \
+        procps \
+        lsof \
+        htop \
+        net-tools \
+        psmisc \
+        curl \
+        wget \
+        rsync \
+        ca-certificates \
+        unzip \
+        zip \
+        nano \
+        vim-tiny \
+        less \
+        jq \
+        lsb-release \
+        apt-transport-https \
+        dialog \
+        libc6 \
+        libgcc1 \
+        libkrb5-3 \
+        libgssapi-krb5-2 \
+        libicu[0-9][0-9] \
+        liblttng-ust0 \
+        libstdc++6 \
+        zlib1g \
+        locales \
+        sudo \
+        ncdu \
+        man-db \
+        strace \
+        manpages \
+        manpages-dev \
+        init-system-helpers"
+        
+    # Needed for adding manpages-posix and manpages-posix-dev which are non-free packages in Debian
+    if [ "${ADD_NON_FREE_PACKAGES}" = "true" ]; then
+        # Bring in variables from /etc/os-release like VERSION_CODENAME
+        . /etc/os-release
+        sed -i -E "s/deb http:\/\/(deb|httpredir)\.debian\.org\/debian ${VERSION_CODENAME} main/deb http:\/\/\1\.debian\.org\/debian ${VERSION_CODENAME} main contrib non-free/" /etc/apt/sources.list
+        sed -i -E "s/deb-src http:\/\/(deb|httredir)\.debian\.org\/debian ${VERSION_CODENAME} main/deb http:\/\/\1\.debian\.org\/debian ${VERSION_CODENAME} main contrib non-free/" /etc/apt/sources.list
+        sed -i -E "s/deb http:\/\/(deb|httpredir)\.debian\.org\/debian ${VERSION_CODENAME}-updates main/deb http:\/\/\1\.debian\.org\/debian ${VERSION_CODENAME}-updates main contrib non-free/" /etc/apt/sources.list
+        sed -i -E "s/deb-src http:\/\/(deb|httpredir)\.debian\.org\/debian ${VERSION_CODENAME}-updates main/deb http:\/\/\1\.debian\.org\/debian ${VERSION_CODENAME}-updates main contrib non-free/" /etc/apt/sources.list
+        sed -i "s/deb http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}\/updates main/deb http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}\/updates main contrib non-free/" /etc/apt/sources.list
+        sed -i "s/deb-src http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}\/updates main/deb http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}\/updates main contrib non-free/" /etc/apt/sources.list
+        sed -i "s/deb http:\/\/deb\.debian\.org\/debian ${VERSION_CODENAME}-backports main/deb http:\/\/deb\.debian\.org\/debian ${VERSION_CODENAME}-backports main contrib non-free/" /etc/apt/sources.list 
+        sed -i "s/deb-src http:\/\/deb\.debian\.org\/debian ${VERSION_CODENAME}-backports main/deb http:\/\/deb\.debian\.org\/debian ${VERSION_CODENAME}-backports main contrib non-free/" /etc/apt/sources.list
+        # Handle bullseye location for security https://www.debian.org/releases/bullseye/amd64/release-notes/ch-information.en.html
+        sed -i "s/deb http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}-security main/deb http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}-security main contrib non-free/" /etc/apt/sources.list
+        sed -i "s/deb-src http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}-security main/deb http:\/\/security\.debian\.org\/debian-security ${VERSION_CODENAME}-security main contrib non-free/" /etc/apt/sources.list
+        echo "Running apt-get update..."
+        apt-get update
+        package_list="${package_list} manpages-posix manpages-posix-dev"
+    else
+        apt_get_update_if_needed
+    fi
+
+    # Install libssl1.1 if available
+    if [[ ! -z $(apt-cache --names-only search ^libssl1.1$) ]]; then
+        package_list="${package_list}       libssl1.1"
+    fi
+    
+    # Install appropriate version of libssl1.0.x if available
+    libssl_package=$(dpkg-query -f '${db:Status-Abbrev}\t${binary:Package}\n' -W 'libssl1\.0\.?' 2>&1 || echo '')
+    if [ "$(echo "$LIlibssl_packageBSSL" | grep -o 'libssl1\.0\.[0-9]:' | uniq | sort | wc -l)" -eq 0 ]; then
+        if [[ ! -z $(apt-cache --names-only search ^libssl1.0.2$) ]]; then
+            # Debian 9
+            package_list="${package_list}       libssl1.0.2"
+        elif [[ ! -z $(apt-cache --names-only search ^libssl1.0.0$) ]]; then
+            # Ubuntu 18.04, 16.04, earlier
+            package_list="${package_list}       libssl1.0.0"
+        fi
+    fi
+
+    echo "Packages to verify are installed: ${package_list}"
+    apt-get -y install --no-install-recommends ${package_list} 2> >( grep -v 'debconf: delaying package configuration, since apt-utils is not installed' >&2 )
+        
+    # Install git if not already installed (may be more recent than distro version)
+    if ! type git > /dev/null 2>&1; then
+        apt-get -y install --no-install-recommends git
+    fi
+
+    PACKAGES_ALREADY_INSTALLED="true"
+fi
+
+# Get to latest versions of all packages
+if [ "${UPGRADE_PACKAGES}" = "true" ]; then
+    apt_get_update_if_needed
+    apt-get -y upgrade --no-install-recommends
+    apt-get autoremove -y
+fi
+
+# Ensure at least the en_US.UTF-8 UTF-8 locale is available.
+# Common need for both applications and things like the agnoster ZSH theme.
+if [ "${LOCALE_ALREADY_SET}" != "true" ] && ! grep -o -E '^\s*en_US.UTF-8\s+UTF-8' /etc/locale.gen > /dev/null; then
+    echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen 
+    locale-gen
+    LOCALE_ALREADY_SET="true"
+fi
+
+# Create or update a non-root user to match UID/GID.
+group_name="${USERNAME}"
+if id -u ${USERNAME} > /dev/null 2>&1; then
+    # User exists, update if needed
+    if [ "${USER_GID}" != "automatic" ] && [ "$USER_GID" != "$(id -g $USERNAME)" ]; then 
+        group_name="$(id -gn $USERNAME)"
+        groupmod --gid $USER_GID ${group_name}
+        usermod --gid $USER_GID $USERNAME
+    fi
+    if [ "${USER_UID}" != "automatic" ] && [ "$USER_UID" != "$(id -u $USERNAME)" ]; then 
+        usermod --uid $USER_UID $USERNAME
+    fi
+else
+    # Create user
+    if [ "${USER_GID}" = "automatic" ]; then
+        groupadd $USERNAME
+    else
+        groupadd --gid $USER_GID $USERNAME
+    fi
+    if [ "${USER_UID}" = "automatic" ]; then 
+        useradd -s /bin/bash --gid $USERNAME -m $USERNAME
+    else
+        useradd -s /bin/bash --uid $USER_UID --gid $USERNAME -m $USERNAME
+    fi
+fi
+
+# Add add sudo support for non-root user
+if [ "${USERNAME}" != "root" ] && [ "${EXISTING_NON_ROOT_USER}" != "${USERNAME}" ]; then
+    echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME
+    chmod 0440 /etc/sudoers.d/$USERNAME
+    EXISTING_NON_ROOT_USER="${USERNAME}"
+fi
+
+# ** Shell customization section **
+if [ "${USERNAME}" = "root" ]; then 
+    user_rc_path="/root"
+else
+    user_rc_path="/home/${USERNAME}"
+fi
+
+# Restore user .bashrc defaults from skeleton file if it doesn't exist or is empty
+if [ ! -f "${user_rc_path}/.bashrc" ] || [ ! -s "${user_rc_path}/.bashrc" ] ; then
+    cp  /etc/skel/.bashrc "${user_rc_path}/.bashrc"
+fi
+
+# Restore user .profile defaults from skeleton file if it doesn't exist or is empty
+if  [ ! -f "${user_rc_path}/.profile" ] || [ ! -s "${user_rc_path}/.profile" ] ; then
+    cp  /etc/skel/.profile "${user_rc_path}/.profile"
+fi
+
+# .bashrc/.zshrc snippet
+rc_snippet="$(cat << 'EOF'
+
+if [ -z "${USER}" ]; then export USER=$(whoami); fi
+if [[ "${PATH}" != *"$HOME/.local/bin"* ]]; then export PATH="${PATH}:$HOME/.local/bin"; fi
+
+# Display optional first run image specific notice if configured and terminal is interactive
+if [ -t 1 ] && [[ "${TERM_PROGRAM}" = "vscode" || "${TERM_PROGRAM}" = "codespaces" ]] && [ ! -f "$HOME/.config/vscode-dev-containers/first-run-notice-already-displayed" ]; then
+    if [ -f "/usr/local/etc/vscode-dev-containers/first-run-notice.txt" ]; then
+        cat "/usr/local/etc/vscode-dev-containers/first-run-notice.txt"
+    elif [ -f "/workspaces/.codespaces/shared/first-run-notice.txt" ]; then
+        cat "/workspaces/.codespaces/shared/first-run-notice.txt"
+    fi
+    mkdir -p "$HOME/.config/vscode-dev-containers"
+    # Mark first run notice as displayed after 10s to avoid problems with fast terminal refreshes hiding it
+    ((sleep 10s; touch "$HOME/.config/vscode-dev-containers/first-run-notice-already-displayed") &)
+fi
+
+# Set the default git editor if not already set
+if [ -z "$(git config --get core.editor)" ] && [ -z "${GIT_EDITOR}" ]; then
+    if  [ "${TERM_PROGRAM}" = "vscode" ]; then
+        if [[ -n $(command -v code-insiders) &&  -z $(command -v code) ]]; then 
+            export GIT_EDITOR="code-insiders --wait"
+        else 
+            export GIT_EDITOR="code --wait"
+        fi
+    fi
+fi
+
+EOF
+)"
+
+# code shim, it fallbacks to code-insiders if code is not available
+cat << 'EOF' > /usr/local/bin/code
+#!/bin/sh
+
+get_in_path_except_current() {
+    which -a "$1" | grep -A1 "$0" | grep -v "$0"
+}
+
+code="$(get_in_path_except_current code)"
+
+if [ -n "$code" ]; then
+    exec "$code" "$@"
+elif [ "$(command -v code-insiders)" ]; then
+    exec code-insiders "$@"
+else
+    echo "code or code-insiders is not installed" >&2
+    exit 127
+fi
+EOF
+chmod +x /usr/local/bin/code
+
+# systemctl shim - tells people to use 'service' if systemd is not running
+cat << 'EOF' > /usr/local/bin/systemctl
+#!/bin/sh
+set -e
+if [ -d "/run/systemd/system" ]; then
+    exec /bin/systemctl/systemctl "$@"
+else
+    echo '\n"systemd" is not running in this container due to its overhead.\nUse the "service" command to start services instead. e.g.: \n\nservice --status-all'
+fi
+EOF
+chmod +x /usr/local/bin/systemctl
+
+# Codespaces bash and OMZ themes - partly inspired by https://github.com/ohmyzsh/ohmyzsh/blob/master/themes/robbyrussell.zsh-theme
+codespaces_bash="$(cat \
+<<'EOF'
+
+# Codespaces bash prompt theme
+__bash_prompt() {
+    local userpart='`export XIT=$? \
+        && [ ! -z "${GITHUB_USER}" ] && echo -n "\[\033[0;32m\]@${GITHUB_USER} " || echo -n "\[\033[0;32m\]\u " \
+        && [ "$XIT" -ne "0" ] && echo -n "\[\033[1;31m\]➜" || echo -n "\[\033[0m\]➜"`'
+    local gitbranch='`\
+        if [ "$(git config --get codespaces-theme.hide-status 2>/dev/null)" != 1 ]; then \
+            export BRANCH=$(git symbolic-ref --short HEAD 2>/dev/null || git rev-parse --short HEAD 2>/dev/null); \
+            if [ "${BRANCH}" != "" ]; then \
+                echo -n "\[\033[0;36m\](\[\033[1;31m\]${BRANCH}" \
+                && if git ls-files --error-unmatch -m --directory --no-empty-directory -o --exclude-standard ":/*" > /dev/null 2>&1; then \
+                        echo -n " \[\033[1;33m\]✗"; \
+                fi \
+                && echo -n "\[\033[0;36m\]) "; \
+            fi; \
+        fi`'
+    local lightblue='\[\033[1;34m\]'
+    local removecolor='\[\033[0m\]'
+    PS1="${userpart} ${lightblue}\w ${gitbranch}${removecolor}\$ "
+    unset -f __bash_prompt
+}
+__bash_prompt
+
+EOF
+)"
+
+codespaces_zsh="$(cat \
+<<'EOF'
+# Codespaces zsh prompt theme
+__zsh_prompt() {
+    local prompt_username
+    if [ ! -z "${GITHUB_USER}" ]; then 
+        prompt_username="@${GITHUB_USER}"
+    else
+        prompt_username="%n"
+    fi
+    PROMPT="%{$fg[green]%}${prompt_username} %(?:%{$reset_color%}➜ :%{$fg_bold[red]%}➜ )" # User/exit code arrow
+    PROMPT+='%{$fg_bold[blue]%}%(5~|%-1~/…/%3~|%4~)%{$reset_color%} ' # cwd
+    PROMPT+='$([ "$(git config --get codespaces-theme.hide-status 2>/dev/null)" != 1 ] && git_prompt_info)' # Git status
+    PROMPT+='%{$fg[white]%}$ %{$reset_color%}'
+    unset -f __zsh_prompt
+}
+ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[cyan]%}(%{$fg_bold[red]%}"
+ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%} "
+ZSH_THEME_GIT_PROMPT_DIRTY=" %{$fg_bold[yellow]%}✗%{$fg_bold[cyan]%})"
+ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg_bold[cyan]%})"
+__zsh_prompt
+
+EOF
+)"
+
+# Add RC snippet and custom bash prompt
+if [ "${RC_SNIPPET_ALREADY_ADDED}" != "true" ]; then
+    echo "${rc_snippet}" >> /etc/bash.bashrc
+    echo "${codespaces_bash}" >> "${user_rc_path}/.bashrc"
+    echo 'export PROMPT_DIRTRIM=4' >> "${user_rc_path}/.bashrc"
+    if [ "${USERNAME}" != "root" ]; then
+        echo "${codespaces_bash}" >> "/root/.bashrc"
+        echo 'export PROMPT_DIRTRIM=4' >> "/root/.bashrc"
+    fi
+    chown ${USERNAME}:${group_name} "${user_rc_path}/.bashrc"
+    RC_SNIPPET_ALREADY_ADDED="true"
+fi
+
+# Optionally install and configure zsh and Oh My Zsh!
+if [ "${INSTALL_ZSH}" = "true" ]; then
+    if ! type zsh > /dev/null 2>&1; then
+        apt_get_update_if_needed
+        apt-get install -y zsh
+    fi
+    if [ "${ZSH_ALREADY_INSTALLED}" != "true" ]; then
+        echo "${rc_snippet}" >> /etc/zsh/zshrc
+        ZSH_ALREADY_INSTALLED="true"
+    fi
+
+    # Adapted, simplified inline Oh My Zsh! install steps that adds, defaults to a codespaces theme.
+    # See https://github.com/ohmyzsh/ohmyzsh/blob/master/tools/install.sh for official script.
+    oh_my_install_dir="${user_rc_path}/.oh-my-zsh"
+    if [ ! -d "${oh_my_install_dir}" ] && [ "${INSTALL_OH_MYS}" = "true" ]; then
+        template_path="${oh_my_install_dir}/templates/zshrc.zsh-template"
+        user_rc_file="${user_rc_path}/.zshrc"
+        umask g-w,o-w
+        mkdir -p ${oh_my_install_dir}
+        git clone --depth=1 \
+            -c core.eol=lf \
+            -c core.autocrlf=false \
+            -c fsck.zeroPaddedFilemode=ignore \
+            -c fetch.fsck.zeroPaddedFilemode=ignore \
+            -c receive.fsck.zeroPaddedFilemode=ignore \
+            "https://github.com/ohmyzsh/ohmyzsh" "${oh_my_install_dir}" 2>&1
+        echo -e "$(cat "${template_path}")\nDISABLE_AUTO_UPDATE=true\nDISABLE_UPDATE_PROMPT=true" > ${user_rc_file}
+        sed -i -e 's/ZSH_THEME=.*/ZSH_THEME="codespaces"/g' ${user_rc_file}
+
+        mkdir -p ${oh_my_install_dir}/custom/themes
+        echo "${codespaces_zsh}" > "${oh_my_install_dir}/custom/themes/codespaces.zsh-theme"
+        # Shrink git while still enabling updates
+        cd "${oh_my_install_dir}"
+        git repack -a -d -f --depth=1 --window=1
+        # Copy to non-root user if one is specified
+        if [ "${USERNAME}" != "root" ]; then
+            cp -rf "${user_rc_file}" "${oh_my_install_dir}" /root
+            chown -R ${USERNAME}:${group_name} "${user_rc_path}"
+        fi
+    fi
+fi
+
+# Persist image metadata info, script if meta.env found in same directory
+meta_info_script="$(cat << 'EOF'
+#!/bin/sh
+. /usr/local/etc/vscode-dev-containers/meta.env
+
+# Minimal output
+if [ "$1" = "version" ] || [ "$1" = "image-version" ]; then
+    echo "${VERSION}"
+    exit 0
+elif [ "$1" = "release" ]; then
+    echo "${GIT_REPOSITORY_RELEASE}"
+    exit 0
+elif [ "$1" = "content" ] || [ "$1" = "content-url" ] || [ "$1" = "contents" ] || [ "$1" = "contents-url" ]; then
+    echo "${CONTENTS_URL}"
+    exit 0
+fi
+
+#Full output
+echo
+echo "Development container image information"
+echo
+if [ ! -z "${VERSION}" ]; then echo "- Image version: ${VERSION}"; fi
+if [ ! -z "${DEFINITION_ID}" ]; then echo "- Definition ID: ${DEFINITION_ID}"; fi
+if [ ! -z "${VARIANT}" ]; then echo "- Variant: ${VARIANT}"; fi
+if [ ! -z "${GIT_REPOSITORY}" ]; then echo "- Source code repository: ${GIT_REPOSITORY}"; fi
+if [ ! -z "${GIT_REPOSITORY_RELEASE}" ]; then echo "- Source code release/branch: ${GIT_REPOSITORY_RELEASE}"; fi
+if [ ! -z "${BUILD_TIMESTAMP}" ]; then echo "- Timestamp: ${BUILD_TIMESTAMP}"; fi
+if [ ! -z "${CONTENTS_URL}" ]; then echo && echo "More info: ${CONTENTS_URL}"; fi
+echo
+EOF
+)"
+if [ -f "${SCRIPT_DIR}/meta.env" ]; then
+    mkdir -p /usr/local/etc/vscode-dev-containers/
+    cp -f "${SCRIPT_DIR}/meta.env" /usr/local/etc/vscode-dev-containers/meta.env
+    echo "${meta_info_script}" > /usr/local/bin/devcontainer-info
+    chmod +x /usr/local/bin/devcontainer-info
+fi
+
+# Write marker file
+mkdir -p "$(dirname "${MARKER_FILE}")"
+echo -e "\
+    PACKAGES_ALREADY_INSTALLED=${PACKAGES_ALREADY_INSTALLED}\n\
+    LOCALE_ALREADY_SET=${LOCALE_ALREADY_SET}\n\
+    EXISTING_NON_ROOT_USER=${EXISTING_NON_ROOT_USER}\n\
+    RC_SNIPPET_ALREADY_ADDED=${RC_SNIPPET_ALREADY_ADDED}\n\
+    ZSH_ALREADY_INSTALLED=${ZSH_ALREADY_INSTALLED}" > "${MARKER_FILE}"
+
+echo "Done!"
--- a/bin/server.dart
+++ b/bin/server.dart
@ -85,9 +85,15 @@ Future<void> _postOnMastodon(reqJson) async {
				@@ -85,9 +85,15 @@ Future<void> _postOnMastodon(reqJson) async {
  List<String> photoUrls = [];

  for (final photo in photos) {
-    final photoUrl = photo['photo']['sizes'].last['url'];
-    // Generate a random filename.
-    // Add the extension '.jpg'.
+    // Find the url of the largest photo by comparing the height and width.
+    var largestPhoto = photo['photo']['sizes'].reduce((a, b) {
+      if (a['height'] * a['width'] > b['height'] * b['width']) {
+        return a;
+      } else {
+        return b;
+      }
+    });
+    final photoUrl = largestPhoto['url'];
    final photoFilename =
        '${DateTime.now().millisecondsSinceEpoch}-${photoUrl.split('/').last.split('?').first.substring(0, 10)}.jpg';
    final photoPath = '${Directory.systemTemp.path}/$photoFilename';