Switch back to Nginx, fix direct URLs

Dockerfile

@@ -13,6 +13,8 @@ COPY . .
 
 RUN ["npm", "run", "build"]
 
-FROM dragas/thttpd
+FROM nginx
 
-COPY --from=build /code/public/ /var/www/http/
+COPY --from=build /code/public/ /usr/share/nginx/html/
+
+COPY ./nginx.conf /etc/nginx/conf.d/default.conf

nginx.conf

@@ -0,0 +1,17 @@
+server {
+	listen 80;
+	listen [::]:80;
+	server_name localhost;
+	location / {
+			root   /usr/share/nginx/html;
+			index  index.html index.htm;
+			try_files $uri /index.html =404;
+	}
+
+	# redirect server error pages to the static page /50x.html
+	#
+	error_page   500 502 503 504  /50x.html;
+	location = /50x.html {
+			root   /usr/share/nginx/html;
+	}
+}