[docker] Create makefile for installing docker

Makefile

@@ -1,4 +1,4 @@
-SUB_DIRS=bash i3 packages ssh vim
+SUB_DIRS=bash i3 packages ssh vim docker
 
 .PHONY: clean_install
 

docker/Makefile

@@ -0,0 +1,39 @@
+CLEAN_PACKAGES=\
+	docker \
+	docker-engine \
+	docker.io \
+	containerd \
+	runc
+
+REQUIRED_PACKAGES=\
+	apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg-agent \
+    software-properties-common
+
+DOCKER_PACKAGES=\
+	docker-ce \
+	docker-ce-cli \
+	containerd.io
+
+ROOT_APT=sudo aptitude
+ROOT_ADD_KEY=sudo apt-key
+ROOT_ADD_APT=sudo add-apt-repository
+ROOT_ADD_USER_TO_GROUP=adduser
+RELEASE:=$(shell lsb_release -cs)
+
+clean:
+	$(ROOT_APT) remove $(CLEAN_PACKAGES)
+
+install:
+	$(ROOT_APT) update
+	$(ROOT_APT) install -y $(REQUIRED_PACKAGES)
+	curl -fsSL https://download.docker.com/linux/ubuntu/gpg | $(ROOT_ADD_KEY) add -
+	$(ROOT_ADD_APT) \
+		"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
+	    $(RELEASE) \
+		stable"
+	$(ROOT_APT) update
+	$(ROOT_APT) install -y $(DOCKER_PACKAGES)
+	$(ROOT_ADD_USER_TO_GROUP) $(shell id -nu) docker