Add preliminary Dockerfile

installation/docker.conf

@@ -0,0 +1,43 @@
+# Soapbox Nginx for Docker.
+server {
+  keepalive_timeout    70;
+  sendfile             on;
+  client_max_body_size 80m;
+
+  root /usr/share/nginx/html;
+
+  gzip on;
+  gzip_vary on;
+  gzip_proxied any;
+  gzip_comp_level 6;
+  gzip_buffers 16 8k;
+  gzip_http_version 1.1;
+  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml image/x-icon;
+
+  add_header Strict-Transport-Security "max-age=31536000" always;
+
+  # SPA.
+  # Try static files, then fall back to index.html.
+  location / {
+    try_files $uri /index.html;
+  }
+
+  # Build files.
+  # New builds produce hashed filenames, so these should be cached heavily.
+  location /packs {
+    add_header Cache-Control "public, max-age=31536000, immutable";
+    add_header Strict-Transport-Security "max-age=31536000" always;
+  }
+
+  # Return 404 on API routes so Soapbox knows what to do.
+  location /api {
+    add_header Content-Type "application/json";
+    return 404 '{"error": "Not implemented"}';
+  }
+
+  # ServiceWorker: don't cache.
+  location = /sw.js {
+    add_header Cache-Control "public, max-age=0";
+    add_header Strict-Transport-Security "max-age=31536000" always;
+  }
+}