First pass at a dockerized toolchain.

I've seen a lot more failures. Compose is not the latest. It seems to
sort of work. We should probably parameterize Docker and Compose
versions to ensure we're installing a consistent toolchain.

Signed-off-by: Chad Metcalf <chad@docker.com>

Makefile

@@ -1,8 +1,10 @@
 .phony: test-all test-changed update-tests
 
 BASE_REF ?= origin/master
+UID := $(shell id -u)
+GID := $(shell grep docker /etc/group| cut -d: -f3)
 
-all: test-changed
+all: docker-test-changed
 
 test-all:
 	@bats -T $(shell find . -name test.bats| sort )
@@ -12,3 +14,15 @@ test-changed:
 
 update-tests:
 	@find . -maxdepth 1 -type d -not -path '*/\.*' -not -path '.' -not -path './lib' -exec cp ./lib/test.bats.example {}/test.bats \;
+
+docker:
+	@docker build --build-arg=UID=${UID} --build-arg=GID=${GID} -t awesome-compose ./extras
+
+docker-test-all: docker
+	@docker run --rm -it --network=host -v /var/run/docker.sock:/var/run/docker.sock -v ${PWD}:/code awesome-compose -c "make test-all"
+
+docker-test-changed: docker
+	@docker run --rm -it --network=host -v /var/run/docker.sock:/var/run/docker.sock -v ${PWD}:/code awesome-compose -c "make test-changed"
+
+shell: docker
+	@docker run --rm -it --network=host -v /var/run/docker.sock:/var/run/docker.sock -v ${PWD}:/code awesome-compose

extras/Dockerfile

@@ -0,0 +1,20 @@
+FROM docker:19.03
+
+ARG UID
+ARG GID
+
+RUN apk update && apk add bash bash-completion gawk make netcat-openbsd docker-compose findutils git curl && \
+    rm -rf /var/lib/apt/lists/* && \
+    rm /var/cache/apk/* && \
+    addgroup -S -g $GID awesome && adduser -S -G awesome -u $UID awesome && \
+    ln -s /opt/bats/bin/bats /usr/local/bin/bats && \
+    git clone --depth 1 --branch v1.2.1 https://github.com/bats-core/bats-core.git /opt/bats
+
+COPY bashrc /home/awesome/.bashrc
+
+USER awesome
+
+VOLUME  /code
+WORKDIR /code
+
+ENTRYPOINT ["bash"]

extras/bashrc

@@ -0,0 +1,12 @@
+# If not running interactively, don't do anything
+[ -z "$PS1" ] && return
+
+export HISTTIMEFORMAT="%d/%m/%y %T "
+export PS1='\u@\h:\W \$ '
+alias l='ls -CF'
+alias la='ls -A'
+alias ll='ls -alF'
+alias ls='ls --color=auto'
+source /etc/profile.d/bash_completion.sh
+export PS1="\[\e[31m\][\[\e[m\]\[\e[38;5;172m\]\u\[\e[m\]@\[\e[38;5;153m\]\h\[\e[m\] \[\e[38;5;214m\]\W\[\e[m\]\[\e[31m\]]\[\e[m\]\\$ "
+