Dockerfile

FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-env
WORKDIR /App

# Copy everything
COPY . ./

# Restore as distinct layers
RUN dotnet restore

# Build and publish a release
RUN dotnet publish -c Release -o out

# Build runtime image
FROM mcr.microsoft.com/dotnet/aspnet:8.0

# Install cron and other necessary packages
RUN apt-get update && \
    apt-get install -y cron && \
    apt-get clean

WORKDIR /App
COPY --from=build-env /App/out .

# Copy the cron job file to /etc/cron.d/
COPY graph-deployer-cron /etc/cron.d/

# Give execution rights on the cron job file
RUN chmod 0644 /etc/cron.d/graph-deployer-cron

# Apply the cron job
RUN crontab /etc/cron.d/graph-deployer-cron

# Set the build-time argument and default environment variable
ENV DOTNET_ENVIRONMENT=Development

# Create the log file
RUN touch /var/log/cron.log

ENTRYPOINT /bin/sh -c "cron;/App/Coscine.GraphDeployer;tail -f /var/log/cron.log"