correct docker file

Dockerfile

@@ -19,8 +19,8 @@ ENV SSL_CERT_DIR=/usr/lib/ssl/certs
 ENV LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
 
 RUN apt-get update
-RUN apt-get install build-essential libssl-dev ca-certificates libasound2 wget \
-    apt-get install ffmpeg
+RUN apt-get install build-essential libssl-dev ca-certificates libasound2 wget
+RUN apt-get install ffmpeg
 
 
 # RUN apt-get update && \