Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/jellyfin/blame/commit/e6e9cd8ce22d9483c03029ab47adea5cd78b35f2/deployment/win-x86/Dockerfile
You should set ROOT_URL correctly, otherwise the web may not work correctly.
FROM debian:10
# Docker build arguments
ARG SOURCE_DIR = /jellyfin
ARG PLATFORM_DIR = /jellyfin/deployment/win-x86
ARG ARTIFACT_DIR = /dist
ARG SDK_VERSION = 2 .2
# Docker run environment
ENV SOURCE_DIR = /jellyfin
ENV ARTIFACT_DIR = /dist
ENV DEB_BUILD_OPTIONS = noddebs
ENV ARCH = amd64
# Prepare Debian build environment
RUN apt-get update \
&& apt-get install -y apt-transport-https debhelper gnupg wget devscripts mmv libc6-dev libcurl4-openssl-dev libfontconfig1-dev libfreetype6-dev libssl-dev libssl1.1 liblttng-ust0 zip
# Install dotnet repository
# https://dotnet.microsoft.com/download/linux-package-manager/debian9/sdk-current
RUN wget https://download.visualstudio.microsoft.com/download/pr/228832ea-805f-45ab-8c88-fa36165701b9/16ce29a06031eeb09058dee94d6f5330/dotnet-sdk-2.2.401-linux-x64.tar.gz -O dotnet-sdk.tar.gz \
&& mkdir -p dotnet-sdk \
&& tar -xzf dotnet-sdk.tar.gz -C dotnet-sdk \
&& ln -s $( pwd ) /dotnet-sdk/dotnet /usr/bin/dotnet
# Install yarn package manager
RUN wget -q -O- https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
&& echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list \
&& apt update \
&& apt install -y yarn
# Link to docker-build script
RUN ln -sf ${ PLATFORM_DIR } /docker-build.sh /docker-build.sh
VOLUME ${ARTIFACT_DIR}/
COPY . ${ SOURCE_DIR } /
ENTRYPOINT [ "/docker-build.sh" ]