Alpine Test Container

devcontainer.json

{
	"name": "Alpine",
	"build": {
		"dockerfile": "Dockerfile",
		// Update 'VARIANT' to pick an Alpine version: 3.11, 3.12, 3.13, 3.14
		"args": { "VARIANT": "3.14" }
	},
	
	// Set *default* container specific settings.json values on container create. 
	"settings": {},

	// Add the IDs of extensions you want installed when the container is created.
	// Note that some extensions may not work in Alpine Linux. See https://aka.ms/vscode-remote/linux.
	"extensions": [
		"ms-vscode.cpptools"
	],

	// 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",

	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
	// "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],

	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
	"remoteUser": "vscode"
}

Dockerfile

FROM mcr.microsoft.com/vscode/devcontainers/base:dev-alpine-3.14

RUN apk add --no-cache gdb file g++ clang coreutils

#RUN rm /etc/alpine-release \
#&&	wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub \
#&&	wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.33-r0/glibc-2.33-r0.apk \
#&&	apk add glibc-2.33-r0.apk
#&&  apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing mono gdb

#ENV LD_LIBRARY_PATH=/usr/glibc-compat/lib:/usr/lib:/lib

# RUN apk add --no-cache coreutils wget file \
# 	bash icu-libs krb5-libs libgcc libintl libssl1.1 libstdc++ zlib \
# &&	wget https://dot.net/v1/dotnet-install.sh \
# &&	chmod +x dotnet-install.sh \
# &&	./dotnet-install.sh -c 5.0

# mono OpenDebugAD7.dll --help
# ~/.dotnet/dotnet OpenDebugAD7.dll --help

launch.json

{
	// Use IntelliSense to learn about possible attributes.
	// Hover to view descriptions of existing attributes.
	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
	"version": "0.2.0",
	"configurations": [
		{
			"name": "(gdb) Launch",
			"type": "cppdbg",
			"request": "launch",
			"program": "${workspaceFolder}/main",
			"args": [],
			"stopAtEntry": true,
			"cwd": "${workspaceFolder}",
			"environment": [],
			"externalConsole": false,
			"MIMode": "gdb",
			"setupCommands": [
				{
					"description": "Enable pretty-printing for gdb",
					"text": "-enable-pretty-printing",
					"ignoreFailures": true
				}
			],
			"logging": {
				"engineLogging": true,
				"trace": true,
				"traceResponse": true
			}
		}
	]
}

main.cpp

#include <stdio.h>

int main()
{
	printf("Hello\n");
	for (int i = 0; i < 10; ++i)
	{
		printf("%d ", i);
	}
}

settings.json

{
	"C_Cpp.intelliSenseEngine": "Disabled",
	"C_Cpp.updateChannel": "Insiders",
}

tasks.json

{
	// See https://go.microsoft.com/fwlink/?LinkId=733558
	// for the documentation about the tasks.json format
	"version": "2.0.0",
	"tasks": [
		{
			"label": "build",
			"group": {
				"kind": "build",
				"isDefault": true
			},
			"type": "shell",
			"command": "clang++ -static-libstdc++ -static-libgcc -g main.cpp -o main"
		}
	]
}