added docker and makefile

see https://3musketeers.io/

Makefile

@@ -0,0 +1,64 @@
+################
+# Entry Points #
+################
+.PHONY: test
+
+publish-patch:
+	docker-compose run --rm node make _devdeps _release-patch _clean _publish
+
+publish-minor:
+	docker-compose run --rm node make _devdeps _release-minor _clean _publish
+
+publish-major:
+	docker-compose run --rm node make _devdeps _release-major _clean _publish
+
+test:
+	docker-compose run --rm node make _devdeps _testUnitWithCoverage
+
+shell:
+	docker-compose run --rm node bash
+
+
+##########
+# Others #
+##########
+
+_test:
+	npm test
+
+_testUnitWithCoverage:
+	npm run cover
+
+_deps:
+	npm install --production
+
+_devdeps:
+	npm install
+
+_clean:
+	rm -fr node_modules
+
+define release
+	VERSION=`node -pe "require('./package.json').version"` && \
+	NEXT_VERSION=`node -pe "require('semver').inc(\"$$VERSION\", '$(1)')"` && \
+	node -e "\
+		var j = require('./package.json');\
+		j.version = \"$$NEXT_VERSION\";\
+		var s = JSON.stringify(j, null, 2);\
+		require('fs').writeFileSync('./package.json', s);"
+endef
+
+_release-patch: _test _adduser
+	@$(call release,patch)
+
+_release-minor: _test _adduser
+	@$(call release,minor)
+
+_release-major: _test _adduser
+	@$(call release,major)
+
+_adduser:
+	npm adduser
+
+_publish:
+	npm publish --access public

README.md

@@ -22,12 +22,23 @@ A small library that adds commas to numbers
 
   Output should be `35,666`
 
-
 ## Tests
 
   `npm test`
+  or
+  `make test`
+
+## Deploy/Publish
+
+### With Make
+
+  `make publish-patch` 
+  or
+  `make publish-minor`
+  or
+  `make publish-major`
 
-## Deploy
+### Without Make
 
 ```
 npm version patch -m "Version %s - add sweet badges"

docker-compose.yml

@@ -0,0 +1,9 @@
+version: '0.1'
+
+services:
+
+  node:
+    image: node:latest
+    volumes:
+      - .:/opt/app
+    working_dir: /opt/app

package.json

@@ -24,6 +24,7 @@
     "chai": "~3.0.0",
     "coveralls": "^2.11.2",
     "istanbul": "^0.3.17",
-    "mocha": "~2.2.5"
+    "mocha": "~2.2.5",
+    "semver": "^5.5.1"
   }
 }