add docker files

backend/Dockerfile

@@ -0,0 +1,16 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Dependencies installieren
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Source-Code kopieren
+COPY src/ ./src
+
+# Port öffnen
+EXPOSE 8000
+
+# FastAPI starten (Uvicorn)
+CMD ["uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "8000"]

backend/src/main.py

@@ -1,5 +1,6 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+import os
 
 app = FastAPI()
 
@@ -13,4 +14,10 @@ app.add_middleware(
 
 @app.get("/api/hello")
 def read_root():
-    return {"message": "Hallo von FastAPI 🎉"}
+    return {"message": "Hallo von FastAPI 🎉"}
+
+
+@app.get("/api/versions")
+def read_root():
+    message = os.popen("python --version").read().strip()
+    return {"message": message}