Merge pull request #3 from e-Learning-by-SSE/main

fix(Docker): Eliminates resource leaks by avoiding zombie processes

Author: Odrec

Dockerfile

@@ -2,7 +2,17 @@ FROM nvidia/cuda:12.2.2-cudnn8-runtime-ubuntu22.04
 
 # Install required packages
 ENV DEBIAN_FRONTEND=noninteractive
-RUN apt update && apt install -y python3 python3-pip python3-venv python3-dev ffmpeg sudo python-is-python3 rabbitmq-server
+RUN apt update && apt install -y \
+    python3 \
+    python3-pip \
+    python3-venv \
+    python3-dev \
+    python-is-python3 \
+    ffmpeg \
+    sudo \
+    rabbitmq-server \
+    tini \
+    && rm -rf /var/lib/apt/lists/*
 
 # Copy project into image
 WORKDIR /app
@@ -15,4 +25,5 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY docker-entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
-ENTRYPOINT ["/entrypoint.sh"]
+# Use tini to handle zombies
+ENTRYPOINT ["/usr/bin/tini", "--", "/entrypoint.sh"]

docker-entrypoint.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
-# Starte RabbitMQ im Hintergrund
+# Starting RabbitMQ in background
 sudo service rabbitmq-server start
 
-# Starte die Python-Anwendung
-exec python start.py
+# Starting the actual python app
+exec python start.py