add docker config for self-hosting

Dockerfile

@@ -0,0 +1,15 @@
+FROM node:16 as build
+
+WORKDIR /build
+COPY ./ /build
+
+RUN yarn install
+RUN yarn build
+
+FROM nginx:alpine
+COPY --from=build /build/public /usr/share/nginx/html
+# RUN rm /etc/nginx/conf.d/default.conf
+# COPY ./nginx.conf /etc/nginx/conf.d
+
+
+EXPOSE 80

README.md

@@ -202,6 +202,18 @@ None at the moment.
 
 This project contains static assets that run standalone in the browser. You don't need a server, unless you want to host the assets yourself.
 
+# using docker
+
+```
+git clone https://github.com/dabbott/javascript-playgrounds.git
+cd javascript-playgrounds
+docker-compose build
+
+docker-compose up -d
+```
+
+and make any changes you need for your personal setup
+
 ### unpkg
 
 The recommended host is https://unpkg.com, which is a CDN that serves content from the npm registry. The examples in this README all point to:

docker-compose.yml

@@ -0,0 +1,7 @@
+version: '3.3'
+
+services:
+  javascript-playgrounds:
+    build: .
+    ports:
+      - 1337:80