tutorial: base image and dev container

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.159.0/containers/cpp
+{
+  "name": "C",
+  "build": {
+    "dockerfile": "../builder.Dockerfile"
+  },
+  "runArgs": ["--platform=linux/amd64"],
+  "customizations": {
+    "vscode": {
+      "settings": {
+        "terminal.integrated.defaultProfile.linux": "bash",
+        // Faster install of extensions - and currently seems to be problematic on macos
+        // https://github.com/microsoft/vscode-remote-release/issues/8169
+        "extensions.verifySignature": false
+      },
+      "extensions": ["ms-vscode.cpptools", "ms-vscode.cmake-tools", "cschlosser.doxdocgen"]
+    }
+  }
+}

builder.Dockerfile

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+ARG base_tag=bullseye
+ARG base_img=mcr.microsoft.com/vscode/devcontainers/base:dev-${base_tag}
+# ARG base_img=debian:${base_tag}
+
+FROM --platform=linux/amd64 ${base_img} AS builder-install
+
+RUN apt-get update --fix-missing && apt-get -y upgrade
+RUN apt-get install -y --no-install-recommends \
+    apt-utils \
+    curl \
+    cmake \
+    build-essential \
+    gcc \
+    g++-multilib \
+    locales \
+    make \
+    ruby \
+    gcovr \
+    wget \
+    && rm -rf /var/lib/apt/lists/*
+

makefile

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+project_name=cproject
+
+builder-build :
+	docker build -f builder.Dockerfile -t $(project_name)-builder:latest .