add: Traefik ingress with custom host

Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app/ ./app/
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

app/main.py

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+import os, signal
+from fastapi import FastAPI
+
+app = FastAPI()
+_healthy = True
+
+@app.get("/")
+def root ():
+    return {"poruka": "Hello iz mog Docker containera v2!"}
+
+@app.get("/info")
+def info():
+    return {
+        "python": platform.python_version(),
+        "verzija": "2.0"
+    }
+
+@app.get("/health")
+def health():
+    return {"status": "ok"}
+
+@app.post("/break")
+def break_health():
+    """Simulira pad servisa za testiranje liveness probe-a"""
+    global _healthy
+    _healthy = False
+    return {"message": "Servis je sada nezdrav — ocekuj restart"}

requirements.txt

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+fastapi==0.111.0
+uvicorn[standard]==0.29.0