Added Dockerfile (#313)

* Added Dockerfile

* Better comments in Dockerfile

* Added SIGINT handler

* Keeping code-check happy

* Keeping code-check happy v2

* Keeping code-check happy v2

Dockerfile

@@ -0,0 +1,23 @@
+# Using Alpine to keep the images smaller
+FROM alpine:latest
+
+# Pushing all files into image
+WORKDIR /app
+ADD . /app
+
+# Install updates and NodeJS+Dependencies
+RUN apk update && apk upgrade
+RUN apk add nodejs git python build-base clang
+
+# Upgrading NPM
+RUN npm i npm@latest -g
+
+# Install Pinafore
+RUN npm install
+RUN npm run build
+
+# Expose port 4002
+EXPOSE 4002
+
+# Setting run-command
+CMD PORT=4002 npm start

README.md

@@ -59,6 +59,13 @@ To build Pinafore for production:
     npm run build
     PORT=4002 npm start
 
+### Docker
+
+To build a docker image for production:
+
+    docker build .
+    docker run -d -p 4002:4002 [your-image]
+
 Now Pinafore is running at `localhost:4002`.
 
 Pinafore requires [Node.js](https://nodejs.org/en/) v8+.

server.js

@@ -63,3 +63,8 @@ app.use(sapper())
 app.listen(PORT, () => {
   console.log(`listening on port ${PORT}`)
 })
+
+// Handle SIGINT (source: https://git.io/vhJgF)
+process.on('SIGINT', function () {
+  process.exit(0)
+})