The dilema of investing vs saving for a house in your 20s

I am a 24 soon to be 25M based in Germany, earning currently around 3K net per month. I am quite lucky in many ways that i can spare almost 50% of that every month (so around 1.5K). Over the last 6 months, I have finally begun my ETF-investment journey and have been putting all of these savings into a world index fund for my future. However, I still see perhaps psychological stability with owning a place one day, but since I have no clue when or even if I will be trying to buy one, I began fully