update .env.example and remove debugging line

.env.example

@@ -1,3 +1,8 @@
+# bnuy-api
+POST_LIMIT=20
+LOG_LEVEL=INFO
+
+# Database MariaDB
 DB_HOST=mariadb
 DB_PORT=3306
 DB_ROOT_PASSWORD=rootpassword

collector.py

@@ -11,7 +11,6 @@ async def get_latest_hot_posts(subreddits):
     post_limit = os.getenv("POST_LIMIT", 20)
     headers = {"User-Agent": "Mozilla/5.0 (compatible; bnuy-api/0.0.1)"}
     posts = []
-    logging.info(f"SUBREDDITS raw: {subreddits!r}, split: {subreddits.split(',')!r}")
 
     for subreddit in subreddits.split(","):
         url = f"https://www.reddit.com/r/{subreddit.strip()}/hot.rss?limit={post_limit}"