Changes to the compse yml and the way and amout of artikeltexte are delivered and taht not duplicates are displayed

server-app/main.go

@@ -207,9 +207,20 @@ func main() {
 
 			rows, err := conn.Query(r.Context(), `
 				SELECT article_id, title, link, summary, image, published_at
-				FROM articles
-				WHERE image IS NOT NULL
-				ORDER BY COALESCE(published_at, created_at) DESC
+				FROM (
+					SELECT DISTINCT ON (COALESCE(article_id, link, title))
+						article_id,
+						title,
+						link,
+						summary,
+						image,
+						published_at,
+						COALESCE(published_at, created_at) AS sort_ts
+					FROM articles
+					WHERE image IS NOT NULL
+					ORDER BY COALESCE(article_id, link, title), COALESCE(published_at, created_at) DESC
+				) deduped
+				ORDER BY sort_ts DESC
 				LIMIT 20
 			`)
 			if err != nil {