diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..dbc2a20
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,3 @@
+FROM mcr.microsoft.com/devcontainers/rust:1-1-bullseye
+
+RUN cargo install rust-script
\ No newline at end of file
diff --git a/.devcontainer/TODO b/.devcontainer/TODO
deleted file mode 100644
index e69de29..0000000
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 43e274b..13698cd 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,6 +1,9 @@
 {
     "name": "Präsentation-Rust Container",
-    "image": "mcr.microsoft.com/devcontainers/rust:1-1-bullseye",
+    
+    "build": {
+        "dockerfile": "Dockerfile"
+    },
     
     "customizations": {
         "vscode": {