Implemented update functionallity

Dockerfile

@@ -0,0 +1,26 @@
+FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+WORKDIR /src
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    clang \
+    zlib1g-dev \
+    libc6-dev \
+    && rm -rf /var/lib/apt/lists/*
+COPY . .
+RUN dotnet publish ServiceUpdater.csproj \
+    -c Release \
+    -o /app/publish \
+    -p:PublishAot=true \
+    -p:StripSymbols=true \
+    -p:InvariantGlobalization=true \
+    -r linux-x64 \
+    --self-contained true
+
+FROM debian:bookworm-slim AS final
+WORKDIR /app
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    docker.io \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=build /app/publish/ServiceUpdater /app
+COPY --from=build /app/publish/appsettings.json /app
+RUN chmod +x /app/ServiceUpdater
+ENTRYPOINT ["/app/ServiceUpdater"]