Nginx config

Fixes #152 (hopefully???)
Fixes #130
Fixes #125

nginx/Dockerfile

@@ -0,0 +1,4 @@
+FROM nginx:1.17.4-alpine
+
+RUN rm /etc/nginx/conf.d/default.conf
+COPY nginx.conf /etc/nginx/conf.d

nginx/nginx.conf

@@ -0,0 +1,22 @@
+upstream web {
+    server web:8000;
+}
+
+server {
+    listen 80;
+
+    location / {
+        proxy_pass http://web;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $host;
+        proxy_redirect off;
+    }
+
+    location /images/ {
+        alias /app/images/;
+    }
+
+    location /static/ {
+        alias /app/static/;
+    }
+}