rework build, requirements and pipline

Dockerfile

@@ -1,14 +1,14 @@
-FROM python:slim
+FROM python:3.14-slim
 
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
 
 LABEL authors="tebarius"
-LABEL version="0.2.1"
 LABEL description="netdata-DocRudi"
-
-WORKDIR /app
-COPY ./app /app/
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV PATH="/rudi-venv/bin:$PATH"
+ENV SERVER_PORT=19998
 
 RUN apt-get update && \
     if [ "$TARGETPLATFORM" = "linux/arm/v7" ] || [ "$TARGETPLATFORM" = "linux/386" ]; then \
@@ -17,9 +17,17 @@ RUN apt-get update && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
-RUN pip install --no-cache-dir --trusted-host pypi.python.org -r requirements.txt
+WORKDIR /app
+COPY ./app /app/
 
-ENV SERVER_PORT=19998
+
+RUN python -m venv /rudi-venv \
+    && python -m pip install --upgrade pip \
+    && pip install --no-cache-dir -r requirements.txt \
+    && useradd -m -u 1000 rudi \
+    && chown -R rudi:rudi /app
+
+USER rudi
 
 EXPOSE $SERVER_PORT