docker image improvements

Dockerfile

@@ -2,21 +2,19 @@ FROM python:3.12.4-alpine3.20
 
 # Install system dependencies
 RUN apk add --no-cache \
-    sudo \
     bash \
     curl \
     git \
     dcron \
     ffmpeg \
-    tzdata
+    tzdata \
+ && addgroup -S appgroup \
+ && adduser -S appuser -G appgroup
 
-# Set the timezone to Kiev, Ukraine
+# Set the timezone
 ENV TZ=Europe/Kiev
 RUN ln -sf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
-# Create a group and user
-RUN addgroup -S appgroup && adduser -S appuser -G appgroup
-
 WORKDIR /app
 
 # Install Python dependencies
@@ -31,17 +29,17 @@ VOLUME /app/downloads
 
 # Set file ownership
 RUN chown -R appuser:appgroup /app
-ENV PORT=5000
 
-# Copy and prepare the entrypoint
+# Setup environment
+ENV PORT=5000 \
+    CRON_SCHEDULE="0 8 * * *"
+
+# Prepare the entrypoint
 COPY docker-entrypoint.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/docker-entrypoint.sh
 
 # Switch to the non-root user
 USER appuser
 
 ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
-
-# Set default cron schedule and command to start cron
-ENV CRON_SCHEDULE="0 8 * * *"
 CMD ["crond", "-f", "-d", "8"]

docker-entrypoint.sh

@@ -1,18 +1,16 @@
 #!/bin/bash
 
-# Ensure environment variables are available
+# Check required environment variables
 if [ -z "$CRON_SCHEDULE" ] || [ -z "$PORT" ]; then
   echo "Required environment variables are missing."
   exit 1
 fi
 
 # Create a cron job file dynamically
-echo "$CRON_SCHEDULE cd /app && curl -X POST http://127.0.0.1:$PORT/api/releases/ -H 'x-api-key: your_api_key_here' >> /var/log/cron.log 2>&1" > /etc/cron.d/toloka-job
-chmod 0644 /etc/cron.d/toloka-job
-crontab -u appuser /etc/cron.d/toloka-job
+(crontab -l 2>/dev/null; echo "$CRON_SCHEDULE curl -X POST http://127.0.0.1:$PORT/api/releases/ -H 'x-api-key: your_api_key_here'") | crontab -u appuser -
 
-# Start cron
-crond
+# Start cron in the foreground to handle logs better
+crond -f -L /dev/stdout &
 
 # Start the web server
 exec python -m app