Update Dockerfile

Dockerfile

@@ -1,33 +0,0 @@
-# Use the rootless Docker-in-Docker base image
-FROM docker:dind-rootless
-
-# Set the working directory inside the container
-WORKDIR /app
-
-# Copy the Nginx app's index.html and its Dockerfile (exdocker) into this container
-COPY index.html ./
-COPY exdocker ./
-
-# Switch to root user to copy start.sh, make it executable, and install bash and curl
-# These operations require root privileges
-USER root
-COPY start.sh ./
-RUN chmod +x ./start.sh
-RUN apk add --no-cache bash curl # Ensure bash is available for start.sh
-
-# Switch back to the default non-root user for dind-rootless (usually 'docker')
-# This is important for security and proper operation of the rootless daemon
-USER docker
-
-# Expose a port from this DinD container.
-# We'll map the inner Nginx container's port 80 to this port (e.g., 8080)
-# within the DinD container. Then, we can map this 8080 to the host.
-EXPOSE 8080
-
-# Set our custom start.sh script as the ENTRYPOINT
-# This ensures start.sh is the main process that gets executed
-ENTRYPOINT ["./start.sh"]
-
-# CMD can be left empty or provide default arguments to ENTRYPOINT if needed.
-# In this case, start.sh handles everything.
-CMD []