Codespaces

.devcontainer/DOCKERFILE

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+ARG VARIANT=11
+FROM mcr.microsoft.com/vscode/devcontainers/java:${VARIANT}
+
+ARG INSTALL_ZSH="true"
+ARG UPGRADE_PACKAGES="false"
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$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}" "${UPGRADE_PACKAGES}" \
+    && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts
+
+COPY library-scripts/desktop-lite-debian.sh /tmp/library-scripts/
+RUN apt-get update && \
+    export DEBIAN_FRONTEND=noninteractive && \
+    bash /tmp/library-scripts/desktop-lite-debian.sh
+
+ENV DBUS_SESSION_BUS_ADDRESS="autolaunch:" DISPLAY=":1" LANG="en_US.UTF-8" LANGUAGE="en_US.UTF-8"
+ENTRYPOINT ["/usr/local/share/desktop-init.sh"]
+CMD ["sleep", "infinity"]
+
+#RUN if [ ! -d "/docker-java-home" ]; then ln -s "${JAVA_HOME}" /docker-java-home; fi

.devcontainer/devcontainer.json

@@ -0,0 +1,26 @@
+{
+	"name": "Java",
+	"build": {
+		"dockerfile": "DOCKERFILE",
+		"args": {
+			"VARIANT": "11",
+			"INSTALL_MAVEN": "false",
+		}
+	},
+
+	"settings": { 
+		"terminal.integrated.shell.linux": "/bin/bash",
+		"java.home": "/docker-java-home"
+	},
+
+	"extensions": [
+		"vscjava.vscode-java-pack"
+	],
+
+	"runArgs": ["--init", "--security-opt", "seccomp=unconfined"],
+    "forwardPorts": [6080],
+    "overrideCommand": false,
+
+	"postCreateCommand": "java -version",
+
+}

.devcontainer/library-scripts/common-debian.sh

@@ -0,0 +1,167 @@
+INSTALL_ZSH=${1:-"true"}
+USERNAME=${2:-"vscode"}
+USER_UID=${3:-1000}
+USER_GID=${4:-1000}
+UPGRADE_PACKAGES=${5:-"true"}
+
+set -e
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo -e 'Script must be run a root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
+    exit 1
+fi
+
+if [ "${USERNAME}" = "none" ] || [ "${USERNAME}" = "root" ]; then
+    USERNAME=root
+    USER_UID=0
+    USER_GID=0
+fi
+
+MARKER_FILE="/usr/local/etc/vscode-dev-containers/common"
+if [ -f "${MARKER_FILE}" ]; then
+    echo "Marker file found:"
+    cat "${MARKER_FILE}"
+    source "${MARKER_FILE}"
+fi
+
+export DEBIAN_FRONTEND=noninteractive
+
+apt-get-update-if-needed()
+{
+    if [ ! -d "/var/lib/apt/lists" ] || [ "$(ls /var/lib/apt/lists/ | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update
+    else
+        echo "Skipping apt-get update."
+    fi
+}
+
+if [ "${PACKAGES_ALREADY_INSTALLED}" != "true" ]; then
+    apt-get-update-if-needed
+
+    PACKAGE_LIST="apt-utils \
+        git \
+        openssh-client \
+        gnupg2 \
+        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 \
+        libgssapi-krb5-2 \
+        libicu[0-9][0-9] \
+        liblttng-ust0 \
+        libstdc++6 \
+        zlib1g \
+        locales \
+        sudo \
+        ncdu \
+        man-db" 
+
+    if [[ ! -z $(apt-cache --names-only search ^libssl1.1$) ]]; then
+        PACKAGE_LIST="${PACKAGE_LIST}       libssl1.1"
+    fi
+
+    LIBSSL=$(dpkg-query -f '${db:Status-Abbrev}\t${binary:Package}\n' -W 'libssl1\.0\.?' 2>&1 || echo '')
+    if [ "$(echo "$LIBSSL" | 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 ${PACKAGE_LIST} 2> >( grep -v 'debconf: delaying package configuration, since apt-utils is not installed' >&2 )
+
+    PACKAGES_ALREADY_INSTALLED="true"
+fi
+
+if [ "${UPGRADE_PACKAGES}" = "true" ]; then
+    apt-get-update-if-needed
+    apt-get -y upgrade --no-install-recommends
+    apt-get autoremove -y
+fi
+
+if [ "${LOCALE_ALREADY_SET}" != "true" ]; then
+    echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen 
+    locale-gen
+    LOCALE_ALREADY_SET="true"
+fi
+
+if id -u $USERNAME > /dev/null 2>&1; then
+    if [ "$USER_GID" != "$(id -G $USERNAME)" ]; then 
+        groupmod --gid $USER_GID $USERNAME 
+        usermod --gid $USER_GID $USERNAME
+    fi
+    if [ "$USER_UID" != "$(id -u $USERNAME)" ]; then 
+        usermod --uid $USER_UID $USERNAME
+    fi
+else
+    groupadd --gid $USER_GID $USERNAME
+    useradd -s /bin/bash --uid $USER_UID --gid $USER_GID -m $USERNAME
+fi
+
+if [ "${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="${USERNAME}"
+fi
+
+RC_SNIPPET="$(cat << EOF
+export USER=\$(whoami)
+export PATH=\$PATH:\$HOME/.local/bin
+if [[ \$(which code-insiders 2>&1) && ! \$(which code 2>&1) ]]; then 
+    alias code=code-insiders
+fi
+EOF
+)"
+
+if [ "${RC_SNIPPET_ALREADY_ADDED}" != "true" ]; then
+    echo "${RC_SNIPPET}" >> /etc/bash.bashrc
+    RC_SNIPPET_ALREADY_ADDED="true"
+fi
+
+if [ "${INSTALL_ZSH}" = "true" ] && [ ! -d "/root/.oh-my-zsh" ] && [ "${ZSH_ALREADY_INSTALLED}" != "true" ]; then
+    apt-get-update-if-needed
+    apt-get install -y zsh
+    curl -fsSLo- https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh | bash 2>&1
+    echo "${RC_SNIPPET}" >> /etc/zsh/zshrc
+    echo -e "DEFAULT_USER=\$USER\nprompt_context(){}" >> /root/.zshrc
+    cp -fR /root/.oh-my-zsh /etc/skel
+    cp -f /root/.zshrc /etc/skel
+    sed -i -e "s/\/root\/.oh-my-zsh/\/home\/\$(whoami)\/.oh-my-zsh/g" /etc/skel/.zshrc
+    if [ "${USERNAME}" != "root" ]; then
+        cp -fR /etc/skel/.oh-my-zsh /etc/skel/.zshrc /home/$USERNAME
+        chown -R $USER_UID:$USER_GID /home/$USERNAME/.oh-my-zsh /home/$USERNAME/.zshrc
+    fi
+    ZSH_ALREADY_INSTALLED="true"
+fi
+
+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!"