Initial with upstream container using Ubuntu

alpine.dockerfile

@@ -0,0 +1,35 @@
+#This Dockerfile creates a build for all architectures
+
+#Image that copies in the files and passes them to the main image
+FROM ubuntu:focal AS copytask
+
+ARG TARGETPLATFORM
+
+#Move the output files to where they need to be
+RUN mkdir /files
+COPY _output/*.tar.gz /files/
+COPY UI/Web/dist /files/wwwroot
+COPY copy_runtime.sh /copy_runtime.sh
+RUN /copy_runtime.sh
+
+#Production image
+FROM ubuntu:focal
+
+COPY --from=copytask /Kavita /kavita
+COPY --from=copytask /files/wwwroot /kavita/wwwroot
+
+#Installs program dependencies
+RUN apt-get update \
+  && apt-get install -y libicu-dev libssl1.1 libgdiplus curl \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY entrypoint.sh /entrypoint.sh
+
+EXPOSE 5000
+
+WORKDIR /kavita
+
+HEALTHCHECK --interval=30s --timeout=15s --start-period=30s --retries=3 CMD curl --fail http://localhost:5000 || exit 1
+
+ENTRYPOINT [ "/bin/bash" ]
+CMD ["/entrypoint.sh"]