Remove docker-compose.yml and update Dockerfile for backend deployment

- Delete redundant docker-compose.yml file
- Modify Dockerfile to improve build and deployment process
- Add environment variable for Development mode
- Copy appsettings configuration files directly into the container
- Adjust build and publish commands for more precise deployment

Author: karunland

backend/Dockerfile

@@ -4,17 +4,21 @@ COPY ["BlogApi.API/BlogApi.API.csproj", "BlogApi.API/"]
 COPY ["BlogApi.Application/BlogApi.Application.csproj", "BlogApi.Application/"]
 COPY ["BlogApi.Core/BlogApi.Core.csproj", "BlogApi.Core/"]
 COPY ["BlogApi.Infrastructure/BlogApi.Infrastructure.csproj", "BlogApi.Infrastructure/"]
+
 RUN dotnet restore "BlogApi.API/BlogApi.API.csproj"
-COPY . ../
+COPY . .
 WORKDIR /src/BlogApi.API
 RUN dotnet build "BlogApi.API.csproj" -c Release -o /app/build
 
 FROM build AS publish
-RUN dotnet publish --no-restore -c Release -o /app/publish
+RUN dotnet publish "BlogApi.API.csproj" -c Release -o /app/publish /p:UseAppHost=false
 
 FROM mcr.microsoft.com/dotnet/aspnet:9.0
 ENV ASPNETCORE_HTTP_PORTS=5001
+ENV ASPNETCORE_ENVIRONMENT=Development
 EXPOSE 5001
 WORKDIR /app
 COPY --from=publish /app/publish .
+COPY ["BlogApi.API/appsettings.json", "appsettings.json"]
+COPY ["BlogApi.API/appsettings.Development.json", "appsettings.Development.json"]
 ENTRYPOINT ["dotnet", "BlogApi.API.dll"]