consume less space when built without --release

Author: dare3path

Cargo.toml

@@ -93,3 +93,14 @@ required-features = ["server", "http1", "tokio"]
 [[example]]
 name = "server_graceful"
 required-features = ["tokio", "server-graceful", "server-auto"]
+
+[profile.dev]
+opt-level = 0
+debug = 1 #keep size down
+debug-assertions = true
+overflow-checks = true
+lto = false
+panic = 'unwind'
+incremental = true
+codegen-units = 256
+rpath = false