init commit

Dockerfile

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+# Ubuntu slim base
+FROM ubuntu:24.04
+
+ENV DEBIAN_FRONTEND=noninteractive \
+    PYTHONUNBUFFERED=1 \
+    VIRTUAL_ENV=/opt/venv \
+    PATH="/opt/venv/bin:$PATH"
+
+# copy only requirements first so pip install can be cached
+COPY app/requirements.txt /app/requirements.txt
+
+# Minimal runtime: python3 + nmap (+ ca certs/tzdata), clean apt cache
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        python3 python3-venv python3-pip \
+        nmap ca-certificates tzdata && \
+    rm -rf /var/lib/apt/lists/*
+
+# ---- Create & activate venv ----
+RUN python3 -m venv $VIRTUAL_ENV
+
+# ---- Install Python deps into venv ----
+RUN pip install --no-cache-dir -r /app/requirements.txt 
+
+# ---- App code ----
+WORKDIR /app
+COPY app/ /app/
+
+# Default command
+ENTRYPOINT ["python3", "/app/main.py"]