feat: use Alpine AOT images, static SQLite and Podman host metrics [CI]

packaging/container/Backend.Containerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/aspnet:10.0-noble-chiseled-extra
+FROM mcr.microsoft.com/dotnet/runtime-deps:10.0-alpine
 
 ARG APP_VERSION=unknown
 LABEL org.opencontainers.image.title="Monitor Backend" \
@@ -7,7 +7,7 @@ LABEL org.opencontainers.image.title="Monitor Backend" \
       org.opencontainers.image.version="$APP_VERSION"
 
 WORKDIR /app
-COPY --chown=1654:1654 app/ /app/
+COPY --chown=1654:1654 app/monitor-backend /app/monitor-backend
 COPY --chown=1654:1654 data/.keep /data/.keep
 
 ENV ASPNETCORE_HTTP_PORTS=8080 \
@@ -17,4 +17,4 @@ ENV ASPNETCORE_HTTP_PORTS=8080 \
 USER 1654:1654
 VOLUME ["/data"]
 EXPOSE 8080
-ENTRYPOINT ["dotnet", "/app/monitor-backend.dll"]
+ENTRYPOINT ["/app/monitor-backend"]