Update Dockerfile to make sense
Update Dockerfile to make sense

theurere/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc