Update Dockerfile

Dockerfile

@@ -1,6 +1,9 @@
 # Use an official Node.js LTS version that uses glibc
 FROM node:18-bullseye-slim
 
+# Install sysctl (procps package)
+RUN apt-get update && apt-get install -y procps && rm -rf /var/lib/apt/lists/*
+
 # Set the working directory in the container
 WORKDIR /app
 
@@ -16,10 +19,7 @@ COPY . .
 # Expose the port the app runs on
 EXPOSE 7860
 
-# Define environment variable
-ENV PORT=7860
-
-# Create an entrypoint script to set sysctl and ulimit settings
+# Create an entrypoint script to set sysctl settings
 RUN echo "#!/bin/sh" > /entrypoint.sh && \
     echo "sysctl -w net.ipv4.ip_local_port_range='1024 65535'" >> /entrypoint.sh && \
     echo "sysctl -w net.ipv4.tcp_mem='131072 262144 524288'" >> /entrypoint.sh && \
@@ -31,7 +31,7 @@ RUN echo "#!/bin/sh" > /entrypoint.sh && \
     echo "sysctl -w net.ipv4.tcp_max_syn_backlog=2048" >> /entrypoint.sh && \
     echo "sysctl -w net.core.netdev_max_backlog=2048" >> /entrypoint.sh && \
     echo "sysctl -w net.ipv4.tcp_tw_reuse=1" >> /entrypoint.sh && \
-    echo "ulimit -n 2000500" >> /entrypoint.sh && \
+    echo "ulimit -n 2000500 || true" >> /entrypoint.sh && \
     echo "exec \"\$@\"" >> /entrypoint.sh && \
     chmod +x /entrypoint.sh