Add CI workflow for Alpine Linux. #13

	name: Alpine build

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	build-module:
	runs-on: ubuntu-latest
	container: alpine
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Install dependencies
	run: \|
	apk add build-base openssl-dev zlib-dev pcre2-dev \
	cmake git grpc-dev protobuf-dev \
	python3
	- name: Checkout nginx
	uses: actions/checkout@v4
	with:
	repository: nginx/nginx
	path: nginx
	- name: Build nginx
	working-directory: nginx
	run: \|
	auto/configure --with-compat --with-http_ssl_module \
	--with-http_v2_module --with-http_v3_module
	make -j $(nproc)
	- name: Build module
	working-directory: nginx
	run: \|
	NGX_OTEL_CMAKE_OPTS="-D NGX_OTEL_GRPC=package" \
	auto/configure --with-compat --add-dynamic-module=..
	make -j $(nproc) modules
	- name: Install test dependencies
	run: \|
	python -m venv tests-venv
	tests-venv/bin/pip install -r tests/requirements.txt
	- name: Run tests
	run: \|
	tests-venv/bin/pytest tests --maxfail=10 --nginx=nginx/objs/nginx \
	--module=nginx/objs/ngx_otel_module.so

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