v3: added opengraph support to the app, wrote README instructions incl. a Docker image

api/lib/static.ts

@@ -1,10 +1,13 @@
-import { Context, Next } from "@oak/oak";
+import { Context, Next, send } from "@oak/oak";
 
-export default function routeStaticFilesFrom(staticPaths: string[]) {
+export function routeStaticFilesFrom(staticPaths: string[]) {
   return async (context: Context<Record<string, object>>, next: Next) => {
     for (const path of staticPaths) {
       try {
-        await context.send({ root: path, index: "index.html" });
+        await send(context, context.request.url.pathname, {
+          root: path,
+          index: "index.html",
+        });
         return;
       } catch {
         continue;