diff --git a/Dockerfile b/Dockerfile
index d39956a..bb0c7af 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 FROM rust:1.80
 
-COPY . /usr/app
+COPY battlesnake/ /usr/app
 WORKDIR /usr/app
 
-RUN cargo install --path battlesnake
+RUN cargo install --path .
 
 CMD ["battlesnake"]
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 6c5a8b3..d2f6f10 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -21,6 +21,7 @@ fn try_main() -> Result<(), DynError> {
     match task.as_deref() {
         Some("local") => local()?,
         Some("local2") => local2()?,
+        Some("docker") => docker()?,
         _ => print_help(),
     }
     Ok(())
@@ -32,6 +33,8 @@ fn print_help() {
 
 local       runs the snake on a local game
 local2      runs the snake twice on a local game
+
+docker      package docker image and upload to docker.mkaenner.de/snake
 "
     )
 }
@@ -120,6 +123,21 @@ fn run_snake(port: u16) -> Result<Child, DynError> {
     }
 }
 
+fn docker() -> Result<(), DynError> {
+    if !Command::new("docker")
+        .current_dir(project_root())
+        .args(["build", ".", "-t", "docker.mkaenner.de/snake"])
+        .status()?
+        .success()
+    {
+        Err("Build of docker image failed")?;
+    }
+    Command::new("docker")
+        .args(["push", "docker.mkaenner.de/snake"])
+        .status()?;
+    Ok(())
+}
+
 fn project_root() -> PathBuf {
     Path::new(&env!("CARGO_MANIFEST_DIR"))
         .ancestors()