Add Sqlite Docker file

- Fix import typo in RethinkDB upload restore
- Switch default Docker file to alpine image

src/sqlite.Dockerfile

@@ -0,0 +1,28 @@
+FROM mcr.microsoft.com/dotnet/sdk:7.0 AS build
+WORKDIR /mwl
+COPY ./MyWebLog.sln                            ./
+COPY ./Directory.Build.props                   ./
+COPY ./MyWebLog/MyWebLog.fsproj                ./MyWebLog/
+COPY ./MyWebLog.Data/MyWebLog.Data.fsproj      ./MyWebLog.Data/
+COPY ./MyWebLog.Domain/MyWebLog.Domain.fsproj  ./MyWebLog.Domain/
+RUN dotnet restore
+
+COPY . ./
+WORKDIR /mwl/MyWebLog
+RUN dotnet publish -f net7.0 -c Release -r linux-x64
+
+FROM alpine AS theme
+RUN apk add --no-cache zip
+WORKDIR /themes
+COPY ./default-theme ./default-theme/
+RUN zip default-theme.zip ./default-theme/*
+COPY ./admin-theme ./admin-theme/
+RUN zip admin-theme.zip ./admin-theme/*
+
+FROM  mcr.microsoft.com/dotnet/aspnet:7.0 as final
+WORKDIR /app
+COPY --from=build /mwl/MyWebLog/bin/Release/net7.0/linux-x64/publish/ ./
+COPY --from=theme /themes/*.zip /app/
+
+EXPOSE 80
+CMD [ "/app/MyWebLog" ]