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

api/sql/init.ts

@@ -0,0 +1,15 @@
+import { DatabaseSync } from "node:sqlite";
+
+const DB_FILE = "api/sql/gerbeur.db";
+
+try {
+  await Deno.stat(DB_FILE);
+  console.log("Database already exists, skipping initialization.");
+} catch {
+  console.log("Initializing database from schema...");
+  const schema = Deno.readTextFileSync("api/sql/schema.sql");
+  const db = new DatabaseSync(DB_FILE);
+  db.exec(schema);
+  db.close();
+  console.log("Database initialized.");
+}