Update Dockerfile

Dockerfile

@@ -8,6 +8,10 @@ WORKDIR /app
 COPY index.html ./
 COPY exdocker ./
 
+# Copy the start.sh script and make it executable
+COPY start.sh ./
+RUN chmod +x ./start.sh
+
 # Switch to root user to install curl, as apk requires root privileges
 USER root
 RUN apk add --no-cache curl
@@ -20,35 +24,6 @@ USER docker
 # within the DinD container. Then, we can map this 8080 to the host.
 EXPOSE 8080
 
-# The base image's ENTRYPOINT is `dockerd-rootless.sh`.
-# We override the default CMD to run our script.
-# Our script will:
-# 1. Start the rootless daemon in the background.
-# 2. Wait for the daemon to be ready.
-# 3. Perform the build and run of the inner Nginx container.
-# 4. Keep the outer container alive.
-CMD ["sh", "-c", "\
-    # Start the rootless Docker daemon in the background
-    /usr/local/bin/dockerd-rootless.sh & \
-    # Wait for the Docker daemon to be fully ready
-    # This loop is more robust than a fixed sleep
-    until docker info >/dev/null 2>&1; do \
-        echo 'Waiting for Docker daemon to start...'; \
-        sleep 1; \
-    done; \
-    echo 'Docker daemon is up and running!'; \
-    \
-    # Build the Nginx image using the copied exdocker Dockerfile
-    docker build -f exdocker -t my-nginx-app . && \
-    \
-    # Run the Nginx container in detached mode, mapping its port 80
-    # to port 8080 *inside this DinD container*.
-    docker run -d -p 8080:80 --name my-inner-nginx my-nginx-app && \
-    \
-    echo 'Inner Nginx container started. Testing accessibility...' && \
-    \
-    # Test accessibility of the inner Nginx server
-    curl http://localhost:8080 && \
-    \
-    # Keep this DinD container running indefinitely
-    sleep infinity"]
+# The base image's ENTRYPOINT is already `dockerd-rootless.sh`.
+# We override the default CMD to run our custom start.sh script.
+CMD ["./start.sh"]