Add simplified docker support

Dockerfile

@@ -1,12 +1,12 @@
-FROM node:9.8.0 as builder
+FROM node:9.8.0-alpine as builder
 ARG GMAPS_API_KEY
 
 WORKDIR oldto-site
 COPY oldto-site .
 ENV GMAPS_API_KEY $GMAPS_API_KEY
 RUN yarn && yarn webpack
 
-FROM nginx
+FROM nginx:1.13.12-alpine
 
 COPY --from=builder oldto-site/dist /usr/share/nginx/html
 COPY nginx.config /etc/nginx/conf.d/default.conf

README.md

@@ -18,7 +18,27 @@ for popular locations like the CN Tower or City Hall.
 
 * Live site: https://oldtoronto.sidewalklabs.com
 
-## Development setup
+## :computer: Local Development
+
+If you're willing to install docker, it is usually the simplest way to
+get up and running.
+
+### Docker
+
+**Docker** is a tool that helps isolate your development environment.
+
+**Requirements:**
+- Docker (tested on v17.10.0)
+- Docker Compose (tested in v1.16.1)
+
+```
+$ cd path/to/oldto
+$ docker-compose up
+```
+
+You may now view the webapp at: [`localhost:5000`][http://localhost:5000]
+
+### Manually
 
 Setup dependencies (on a Mac):
 

docker-compose.yml

@@ -0,0 +1,8 @@
+version: '3'
+services:
+  webapp:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+     - "5000:80"

nginx.config

@@ -13,6 +13,6 @@ server {
 
     # proxy the /api to connect to the API server:
     location /api {
-        proxy_pass  http://swl-api-server-web:8000;
+        proxy_pass  http://api.sidewalklabs.com;
     }
 }