Update Dockerfile

rpidanny · rpidanny · commit 0f55a4130387 · 2019-05-27T12:30:18.000+02:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,6 +1,7 @@
 FROM lambci/lambda-base:build
 
-RUN yum update -y
+# Using instructions from:
+# https://trac.ffmpeg.org/wiki/CompilationGuide/Centos
 
 RUN yum install -y install autoconf \
   automake \
