rewrite URL shortener in Rust

config.example.toml

@@ -0,0 +1,22 @@
+# Public URL, including the optional routing prefix.
+base_url = "http://localhost:8080/s"
+
+# Replace this in the deployment-only config.toml. Do not commit real secrets.
+api_key = "change-this-secret-key"
+
+host = "0.0.0.0"
+port = 8080
+db_path = "data/urlshort.db"
+
+# Zero keeps new URLs forever by default.
+retention_days = 0
+min_short_length = 6
+max_short_length = 32
+max_url_length = 2048
+max_retention_days = 3650
+rate_limit_requests = 60
+rate_limit_window = 60
+
+# Keep false when the embedded frontend should be served by ushort.
+# Set true only when a separate web server serves the frontend files.
+production = false