initial proof-of-concept in a container

.dockerignore

@@ -0,0 +1,4 @@
+node_modules
+vendor
+.git
+*.pyc

Dockerfile

@@ -0,0 +1,17 @@
+FROM python:2.7-alpine
+MAINTAINER [email protected]
+WORKDIR /app
+
+# add LTS version of nodejs
+RUN apk --no-cache add nodejs
+
+# install nodejs packages
+COPY package.json .
+RUN npm install
+
+# install python packages
+COPY requirements.txt .
+RUN pip2 install --no-cache-dir --target=vendor/py2 -r requirements.txt
+
+COPY . .
+CMD [ "/app/runlint.py", "/src", "-v" ]

Makefile

@@ -1,3 +1,9 @@
+image:
+	docker build -t khanacademy/khan-linter .
+
+deploy: image
+	docker push khanacademy/khan-linter
+
 deps vendor_deps: check_setup
 	rm -r vendor/py2/* || true
 	rm -r vendor/py3/* || true
@@ -8,8 +14,6 @@ deps vendor_deps: check_setup
 	npm prune
 	echo "DONE.  Consider running:  git add -A vendor node_modules"
 
-
-
 check_setup:
 	@command -v npm > /dev/null || echo "missing dependencies: need to install npm"
 	@command -v pip2 > /dev/null || echo "missing dependencies: need to install pip2"

README.md

@@ -29,6 +29,18 @@ you can specify files on the command line to lint.  See
 
 for more options.
 
+via Docker image
+----------------
+A built image with all pre-requesites is available on Docker Hub as `khanacademy/khan-linter`.
+
+Mount the directory you wish to lint as a volume (by default, the image CMD is configured to look in `/src` if nothing else is specified).
+
+For example, to lint the current directory:
+
+    docker run -it --rm -v $(pwd):/src khanacademy/khan-linter
+
+If the image is not already on the local environment, it will automatically be downloaded prior to execution.
+
 Automatic
 ---------
 You can update the blacklist file in this repository to control what files