Hello, Ercan!
You do not need to publish entire the application as web services as you do not need to synchronize all the data that is stored in 1C:Enterprise infobases. For example you do no need to synchronize registers as the data in registers is based on documents. Some independent information registers might be useful, while some, for example the Address classifier, is hudge and is used as a reference, not as the data storage.
Thus you need to determine required data for the synchronization. This will save a lot of your efforts later. After that, develop web services for synchronizing this data.