add Dockerfile and instructions

Author: gbilder

Dockerfile

@@ -0,0 +1,17 @@
+# Use an official Python runtime as a parent image
+FROM node
+
+# Set the working directory to /app
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+ADD . /app
+
+# Install 
+RUN npm install
+
+# Make port 3333 available to the world outside this container
+EXPOSE 3333
+
+# Run app.py when the container launches
+CMD ["npm", "start"]

README.md

@@ -4,3 +4,25 @@
 * npm start
 * dev server runs at http://localhost:3333/participationreports/
 
+# Docker instructions
+
+Assuming docker is installed from:
+
+https://www.docker.com/community-edition
+
+Build docker image within this directory with with:
+
+```
+docker build -t particpation-reports .
+```
+
+Run docker container with:
+
+```
+docker run  -p "80:3333" particpation-reports
+```
+
+Browse to:
+
+[http://localhost/participationreports/](http://localhost/participationreports/)
+