diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ec668c9
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "mood-cgi"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..d9397e6
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,11 @@
+use rand::seq::IteratorRandom;
+
+fn main() {
+	let file = std::env::var("MOOD_FILE").unwrap_or("/srv/http/api/mood.txt".to_string());
+	let content = std::fs::read_to_string(file).unwrap();
+	let choice = content.lines().choose(&mut rand::thread_rng()).unwrap();
+
+	println!("Content-type: application/json");
+	println!();
+	println!("{{\"mood\":\"{}\"}}", choice);
+}