.devcontainer

.devcontainer/Dockerfile

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+# syntax=docker/dockerfile:1.2
+FROM    crops/poky:ubuntu-20.04
+# swtich to root user to install additional packages
+USER    root
+# create a non-root user
+ARG     USERNAME=builder
+ARG     GROUPNAME=build
+ARG     USER_UID=1024
+ARG     USER_GID=1024
+RUN     set -x && \
+        groupadd \
+                --gid ${USER_GID} \
+                ${GROUPNAME} \
+                && \
+        useradd \
+                --uid ${USER_UID} \
+                --gid ${USER_GID} \
+                --create-home \
+                ${USERNAME} \
+        && \
+        :
+# update gcc version to 9
+RUN	set -x && \
+	apt update && \
+	apt install software-properties-common -y && \
+	#apt update && \
+	add-apt-repository ppa:ubuntu-toolchain-r/ppa && \
+	#apt update && \
+	apt install g++-9 -y && \
+	add-apt-repository --remove ppa:ubuntu-toolchain-r/ppa -y && \
+	apt --purge autoremove software-properties-common -y && \
+	update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 60 && \
+	update-alternatives --config g++ && \
+	update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 60 && \
+	update-alternatives --config g++ && \
+	:
+# add additional packages
+RUN     set -x && \
+        apt update && \
+        apt install -y \
+                sudo \
+                vim \
+                less \
+                bsdmainutils \
+                nasm \
+                mc \
+                libncurses5-dev \
+                libncursesw5-dev \
+                python3 \
+                python3-pip \
+                && \
+        echo ${USERNAME} ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/${USERNAME} && \
+        chmod 0400 /etc/sudoers.d/${USERNAME} && \
+        apt clean && \
+        rm -fr /var/lib/apt/lists/* && \
+        :
+# install kas
+RUN     set -x && \
+        pip3 install kas && \
+        :
+# switch back to regular user
+#USER    usersetup
+USER builder
+# Install fuzzy finder
+RUN     git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf
+RUN     cd ~/.fzf && ./install

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json
+{
+    "name": "${localWorkspaceFolderBasename}",
+
+    // Due to devcontainer not yet supporting the '--network host' argument when building from a Dockerfile
+    // See: https://github.com/microsoft/vscode-remote-release/issues/3545
+    // Workaround: build the image on the host before asking vscode to build it so that it is re-used
+    "initializeCommand":
+        "DOCKER_BUILDKIT=1 docker build --network host --tag poky:ubuntu-20.04 .devcontainer/",
+
+    "build": {
+        "dockerfile": "Dockerfile",
+        "context": ".",
+    },
+
+    // Arguments to tuse when running the container
+    "runArgs": [
+        "--network=host",
+        "--mount=type=volume,src=yoctovol,dst=/workspaces/${localWorkspaceFolderBasename}/yocto"
+    ],
+
+    // Environment variables to set in the container
+    "containerEnv": {},
+
+    // Volumes to mount when running the container
+    "mounts": [
+        "source=${localEnv:HOME}/.ssh/,target=/home/yoctouser/.ssh/,type=bind",
+    ],
+
+    // Set *default* container specific settings.json values on container create.
+    "settings": {
+        "terminal.integrated.profiles.linux": {
+            "bash": {
+                "path": "bash",
+                "icon": "terminal-bash"
+            },
+        },
+        "terminal.integrated.defaultProfile.linux": "bash",
+    },
+
+    // Add the IDs of extensions you want installed when the container is created.
+    "extensions": [
+        "ms-vscode.cpptools",
+        "ms-vscode.cpptools-themes",
+        "twxs.cmake",
+        "ms-vscode.cmake-tools",
+        "cschlosser.doxdocgen",
+        "jeff-hykin.better-cpp-syntax",
+        "ms-vscode-remote.remote-ssh",
+        "coenraads.bracket-pair-colorizer-2",
+        "franneck94.vscode-c-cpp-config",
+        "mhutchie.git-graph",
+        "github.remotehub",
+        "eamodio.gitlens",
+        "oderwat.indent-rainbow",
+        "ms-vscode.cpptools-extension-pack"
+    ],
+}

.devcontainer/init_workspace.sh

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+#!/bin/bash
+
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
+
+set -e
+
+chown :build "${SCRIPT_DIR}/../yocto/"
+chmod 775 "${SCRIPT_DIR}/../yocto/"
+chmod g+s "${SCRIPT_DIR}/../yocto/"
+