feat(collector): add collector service

services/collector/Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y \
+    --no-install-recommends \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY *.py ./
+
+# Run as non-root user
+RUN useradd -m -u 1000 collector && chown -R collector:collector /app
+USER collector
+
+CMD ["python", "main.py"]