Dockerfile

# =========================
# 1. Build stage
# =========================
FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build

WORKDIR /src

# Copy project and restore
COPY Blazor.csproj ./
RUN dotnet restore

# Copy the rest of the source
COPY . ./

# Publish the app (self-contained runtime layout)
RUN dotnet publish \
    -c Release \
    -o /app/publish

# =========================
# 2. Runtime stage
# =========================
FROM mcr.microsoft.com/dotnet/aspnet:10.0 AS final

# ---- Hugging Face requirement: run as app user with uid 1000 ----
# RUN useradd -m -u 1000 blazor
# Make sure the HOME exists and is writable
RUN mkdir -p /home/blazor && chown -R 1000:1000 /home/blazor
# Instead of useradd, just ensure the username maps to UID 1000
USER 1000
# Optionally tell the shell the username you *want* displayed
ENV USER=blazor \
    HOME=/home/blazor \
    PATH=/home/blazor/.local/bin:$PATH

WORKDIR $HOME/app

# Copy published app with correct ownership
COPY --chown=blazor --from=build /app/publish ./

# Hugging Face Docker Spaces expect your app to listen on 7860
# (you can change this with app_port in README if you want).
EXPOSE 7860

# Tell Kestrel to bind to 0.0.0.0:7860
ENV ASPNETCORE_URLS=http://0.0.0.0:7860

# Just run the app
ENTRYPOINT ["dotnet", "Blazor.dll"]