attempt to speed up dotnet watch startup time when running in k8s

backend/LexBoxApi/LexBoxApi.csproj

@@ -58,6 +58,6 @@
     </ItemGroup>
 
     <ItemGroup>
-      <Content Include="Services\HgEmptyRepo\**" CopyToOutputDirectory="Always" />
+      <Content Include="Services\HgEmptyRepo\**" CopyToOutputDirectory="PreserveNewest" />
     </ItemGroup>
 </Project>

backend/LexBoxApi/dev.Dockerfile

@@ -4,7 +4,7 @@ EXPOSE 80
 EXPOSE 443
 RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
   --mount=type=cache,target=/var/lib/apt,sharing=locked \
-  apt update && apt-get --no-install-recommends install -y rsync ssh
+  apt update && apt-get --no-install-recommends install -y tini
 RUN mkdir -p /var/www && chown -R www-data:www-data /var/www
 USER www-data:www-data
 WORKDIR /src/backend
@@ -15,7 +15,15 @@ RUN for file in $(ls *.csproj); do dir=${file%.*} mkdir -p ${file%.*}/ && mv $fi
 
 COPY --chown=www-data . .
 WORKDIR /src/backend/LexBoxApi
-RUN dotnet build #build and restore, should speed up watch run
+#build here so that the build is run before container start, need to make sure the property is set both here
+#and in the CMD command, otherwise it will rebuild every time the container starts
+RUN dotnet build --property:InformationalVersion=dockerDev
 RUN mkdir /src/frontend
+
+#ensures the shutdown happens quickly
+ENTRYPOINT ["tini", "--"]
+
 # no need to restore because we already restored as part of building the image
-CMD dotnet watch run -lp docker --property:InformationalVersion=dockerDev --no-hot-reload --no-restore
+ENV ASPNETCORE_ENVIRONMENT=Development
+ENV DOTNET_URLS=http://0.0.0.0:5158
+CMD dotnet watch --no-hot-reload run --property:InformationalVersion=dockerDev --no-restore