Update Dockerfile

Dockerfile

@@ -1,14 +1,17 @@
-FROM coturn/coturn:latest
+FROM alpine:latest
 
-# Install curl to fetch ngrok
-RUN apt-get update && apt-get install -y curl unzip \
-    && curl -s https://bin.equinox.io/c/bNyj1mQVY4c/ngrok-stable-linux-amd64.zip -o /tmp/ngrok.zip \
+
+USER root
+
+# Install dependencies: coturn, openssl, curl (for ngrok install), bash, socat
+RUN apk add --no-cache coturn openssl curl bash
+
+# Download and install ngrok (latest Linux amd64)
+RUN curl -s https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip -o /tmp/ngrok.zip \
     && unzip /tmp/ngrok.zip -d /usr/local/bin \
     && rm /tmp/ngrok.zip \
-    && apt-get clean && rm -rf /var/lib/apt/lists/*
-
+    && chmod +x /usr/local/bin/ngrok
 
-USER root
 
 # Install socat and openssl for certificate generation
 RUN apk add --no-cache socat openssl