Dropshell Build

A Docker-based build system for creating statically-linked C++ executables using Alpine Linux and musl libc.

Overview

This repository provides a comprehensive C++ development environment with:

dropshell-build-base: A base image with C++ toolchain and libraries
dropshell-build: Multi-stage Docker build system for C++ projects
Test projects: Sample applications demonstrating the build system

Features

Libraries Available

The base image includes statically-linked versions of:

Web Framework: Drogon with async HTTP capabilities
Database Support: PostgreSQL (libpq), MySQL/MariaDB, SQLite3
HTTP Clients:
- Custom Drogon-based HTTP utilities (see ipdemo)
- CPR (C++ Requests) library for simplified HTTP requests
Networking: cURL, c-ares, OpenSSL
JSON: nlohmann/json, jsoncpp
Compression: zlib, zstd, lzma
Logging: spdlog, fmt
Utilities: ccache, mold linker

HTTP Client Options

Two HTTP client approaches are available:

Drogon HTTP Utilities (see tests/ipdemo/src/http_utils.hpp):

auto response = http_get("example.com", "/api/endpoint", true, 10.0);
if (response.success && response.status_code == 200) {
    std::cout << response.body << std::endl;
}

CPR Library (C++ Requests):

#include <cpr/cpr.h>
cpr::Response r = cpr::Get(cpr::Url{"https://example.com/api"});
if (r.status_code == 200) {
    std::cout << r.text << std::endl;
}

Quick Start

Building the Base Image

cd build-base
./build.sh

Building a Project

./build.sh

Testing

./test.sh

Project Structure

Test Projects

ipdemo: Demonstrates Drogon HTTP utilities and JSON processing
test_libs: Tests all available libraries (fmt, spdlog, SQLite3, etc.)
cprdemo: Example using CPR library for HTTP requests (work in progress)

Environment Variables

CMAKE_BUILD_TYPE: "Debug" or "Release" (default: Debug)
PROJECT: Project name to build (default: ipdemo)

2.1 KiB Raw Blame History