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Give one of these suggestions a go
▉ Solution 1: Fix the Dockerfile (Recommended)

┌─ dockerfile ──────────────────────────────
# Add this to the beginning of your Dockerfile
# Switch to root for package installation, then back
USER root
RUN apt-get update && apt-get install -y --no-install-recommends
htop vim nano gdb &&
rm -rf /var/lib/apt/lists/*
# Switch back to non-root user if your environment requires it
# USER app
└──────────────────────────────────────────

   ▉ Solution 2: Use Multi-stage Build (Production-Ready)

┌─ dockerfile ──────────────────────────────
# Build stage with root
FROM node:18 as builder
USER root
RUN apt-get update && apt-get install -y --no-install-recommends
htop vim nano gdb &&
rm -rf /var/lib/apt/lists/*
# Runtime stage
FROM node:18-slim
COPY --from=builder /usr/bin/htop /usr/bin/htop
COPY --from=builder /usr/bin/vim /usr/bin/vim
COPY --from=builder /usr/bin/nano /usr/bin/nano
COPY --from=builder /usr/bin/gdb /usr/bin/gdb
# Your app code here
WORKDIR /app
COPY . .
└──────────────────────────────────────────

   ▉ Solution 3: Check if Packages Are Even Needed

Often these packages aren't necessary in production. Consider:

┌─ dockerfile ──────────────────────────────
# Remove these entirely if not needed
# RUN apt-get update && apt-get install -y htop vim nano gdb
└──────────────────────────────────────────

Or install only what's actually needed:

┌─ dockerfile ──────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends
curl
└──────────────────────────────────────────

   ▉ Solution 4: Environment-Specific Installation

If packages are only needed for development:

┌─ dockerfile ──────────────────────────────
# Check if we're in dev mode
ARG ENVIRONMENT=production
USER root
RUN test "$ENVIRONMENT" = "development" && apt-get update &&
apt-get install -y --no-install-recommends
htop vim nano gdb || true
USER app # Switch back to non-root
└──────────────────────────────────────────

────────────────────────────────────────────────────────────────────
──

 ▆ 🚀 Quick Fix for Gradio Templates

Most Gradio templates can fix this with:

┌─ dockerfile ──────────────────────────────
# Replace the problematic line:
# RUN apt-get update && apt-get install -y htop vim nano gdb && rm
-rf /var/lib/apt/lists/*
# With this fix:
USER root
RUN apt-get update && apt-get install -y --no-install-recommends
htop vim nano gdb &&
rm -rf /var/lib/apt/lists/
USER app
# Or even simpler - if you don't need these tools:
# Just remove the line entirely!
└──────────────────────────────────────────

────────────────────────────────────────────────────────────────────
──

 ▆ 📋 Complete Script for Template Authors

I'd provide this script to fix multiple templates:

┌─ bash ────────────────────────────────────
#!/bin/bash
# Fix Dockerfile for Hugging Face Dev Mode compatibility
echo "Fixing Dockerfiles for Dev Mode..."
# Replace problematic apt-get lines with user-aware version
find . -name "Dockerfile*" -type f | while read dockerfile; do
echo "Processing $dockerfile"

     # Create backup
     cp "$dockerfile" "$dockerfile.backup"

     # Fix the apt-get issue
     sed -i '
     /RUN apt-get update/ {
         i\USER root
         s/$/ \&\& rm -rf \/var\/lib\/apt\/lists\*//
         a\USER app
     }
     ' "$dockerfile"
 done
 echo "✅ Dockerfiles fixed for Dev Mode!"
 echo "Backups created as *.backup"

└──────────────────────────────────────────

Thanks for your feedback, but I don't have access to the Dockerfile as I am using the Gradio SDK template on ZeroGpu.

Did you find a solution for this , I'm struggle on this issue too :) ? thanks

No, still not. The fix must be done by the Hugging Face team