For OneDev: This Dockerfile downloads the image from the URL during build time and replaces `/app/site/assets/avatars/project.png` in the container.

Dockerfile

FROM ubuntu:24.04 AS build
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
RUN curl -fsSL https://get.docker.com | sh

FROM ubuntu:24.04
ARG TARGETPLATFORM
ARG AVATAR_IMAGE_URL

COPY server-product/app /app
COPY server-product/docker/entrypoint-server.sh /root/bin/entrypoint.sh

RUN apt-get update && apt-get install -y locales iproute2 curl git git-lfs openjdk-17-jre-headless && rm -rf /var/lib/apt/lists/*
RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
    locale-gen

ENV LANG en_US.UTF-8
ENV LANGUAGE en_US:en
ENV LC_ALL en_US.UTF-8

# install docker
COPY --from=build /usr/bin/docker /usr/local/bin/docker
COPY --from=build /usr/libexec/docker/cli-plugins/docker-buildx /usr/libexec/docker/cli-plugins/docker-buildx

# install kubectl
RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/${TARGETPLATFORM}/kubectl" && chmod +x kubectl && mv kubectl /usr/local/bin

# Replace project avatar if URL is provided
RUN if [ -n "$AVATAR_IMAGE_URL" ]; then \
    curl -fsSL "$AVATAR_IMAGE_URL" -o /app/site/assets/avatars/project.png; \
    fi

EXPOSE 6610
EXPOSE 6611
CMD ["/root/bin/entrypoint.sh"]