feat(tests): Installation

tests/alpine/Dockerfile

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+FROM alpine
+RUN apk add bash docker git make openssl sudo
+WORKDIR /usr/local/src
+COPY Makefile .

tests/alpine/Makefile

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+.PHONY: default
+default: build run
+
+.PHONY: build
+build:
+	docker build -t phpctl-alpine-test .
+
+.PHONY: run
+run:
+	docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock phpctl-alpine-test sh
+
+.PHONY: install
+install:
+	sh <(wget -qO- https://raw.githubusercontent.com/opencodeco/phpctl/main/installer.sh)
+
+.PHONY: test
+test:
+	ls -lha /usr/local/bin
+	phpctl doctor
+	php --version
+	composer --version

tests/alpine/README.md

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+This tests the `phpctl` installation in a blank Alpine distribution.
+
+Run `make` then inside the container run `make install`.
+
+To check the installation, run `make test`.