Not quite there, have to work out the correct return types for the POST method.

.gitignore

@@ -8,3 +8,11 @@ Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+
+#Added by cargo
+#
+#already existing elements are commented out
+
+/target
+#**/*.rs.bk

Cargo.toml

@@ -6,3 +6,6 @@ edition = "2018"
 
 [dependencies]
 rocket="0.4.*"
+image="*"
+tempfile="3.*"
+

src/main.rs

@@ -2,6 +2,16 @@
 
 #[macro_use] extern crate rocket;
 
+//extern crate rand;
+
+extern crate image;
+//extern crate tempfile;
+
+//use std::io;
+
+use rocket::Data;
+use rocket::response::content;
+
 #[cfg(test)] mod tests;
 
 #[get("/")]
@@ -19,6 +29,14 @@ fn index() -> &'static str {
 "
 }
 
+#[post("/", data = "<incoming_image>")]
+fn desteg(incoming_image: Data) -> image::DynamicImage {
+
+    let image_buffer = image::load_from_memory(incoming_image.peek()).unwrap();
+
+    image_buffer
+}
+
 fn rocket() -> rocket::Rocket {
     let my_rocket = rocket::ignite().mount("/", routes![index]);
     my_rocket