From bc4dec65b39cb0a52a97ea8e7d50ba752e6e2a07 Mon Sep 17 00:00:00 2001 From: nmemmert <67961292+nmemmert@users.noreply.github.com> Date: Wed, 22 Oct 2025 14:38:03 -0400 Subject: [PATCH] Fix cron daemon startup in Docker container - Install su-exec for user switching - Modify startup script to run cron as root and app as nextjs user - Remove USER directive to allow proper service management - Cron daemon now starts successfully alongside Next.js app --- Dockerfile | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/Dockerfile b/Dockerfile index c38209d..cfb0cee 100644 --- a/Dockerfile +++ b/Dockerfile @@ -34,7 +34,7 @@ RUN addgroup --system --gid 1001 nodejs RUN adduser --system --uid 1001 nextjs # Install cron and curl for scheduled tasks -RUN apk add --no-cache dcron curl +RUN apk add --no-cache dcron curl su-exec # Create cron log directory RUN mkdir -p /var/log/cron && chown nextjs:nodejs /var/log/cron @@ -44,12 +44,15 @@ RUN echo "*/5 * * * * curl -s http://localhost:3000/api/send-scheduled-emails >> chown nextjs:nodejs /etc/crontabs/nextjs && \ chmod 600 /etc/crontabs/nextjs -# Create startup script +# Create startup script that runs cron as root and app as nextjs RUN echo '#!/bin/sh' > /app/start.sh && \ + echo '# Start cron daemon as root' >> /app/start.sh && \ echo 'crond -f -l 8 &' >> /app/start.sh && \ - echo 'exec "$@"' >> /app/start.sh && \ - chmod +x /app/start.sh && \ - chown nextjs:nodejs /app/start.sh + echo '# Wait a moment for cron to start' >> /app/start.sh && \ + echo 'sleep 1' >> /app/start.sh && \ + echo '# Switch to nextjs user and start the app' >> /app/start.sh && \ + echo 'exec su-exec nextjs:nodejs "$@"' >> /app/start.sh && \ + chmod +x /app/start.sh COPY --from=builder /app/public ./public @@ -62,8 +65,6 @@ RUN chown nextjs:nodejs .next COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./ COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static -USER nextjs - EXPOSE 3000 ENV PORT=3000