Address Issues in build (#180)

- CIS-DI-0001
- CIS-DI-0006
- CIS-DI-0008
- DKL-LI-0003

src/torrent-ingestor/.dockerignore

@@ -0,0 +1 @@
+Dockerfile

src/torrent-ingestor/Dockerfile

@@ -8,4 +8,10 @@ RUN poetry config virtualenvs.create false
 COPY . /app
 RUN poetry install --no-dev
 
+RUN groupadd ingestor && useradd -g ingestor ingestor
+USER ingestor
+
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
+  CMD pgrep -f python || exit 1
+  
 CMD ["python", "/app/torrent_ingestor/main.py"]