diff --git a/docker/Dockerfile_i686 b/docker/Dockerfile_i686
index d6f17615..4f92c30f 100644
--- a/docker/Dockerfile_i686
+++ b/docker/Dockerfile_i686
@@ -13,18 +13,28 @@ RUN curl -O -L https://download.qt.io/archive/qt/4.8/4.8.7/qt-everywhere-opensou
 ENV QTDIR /opt/Qt4.8.7
 ENV PATH "$QTDIR/bin:$PATH"
 
-RUN curl -O -L https://cmake.org/files/v3.9/cmake-3.9.0.tar.gz && \
-	tar -zxf cmake-3.9.0.tar.gz && \
-	cd cmake-3.9.0 && \
-	yum -y install curl-devel zlib-devel && \
-	./configure --system-curl && \
-	make && \
-	make install && \
-	cd .. && \
+RUN curl -O -L https://cmake.org/files/v3.9/cmake-3.9.0.tar.gz  && \
+	tar -zxf cmake-3.9.0.tar.gz  && \
+	cd cmake-3.9.0  && \
+	yum -y install curl-devel zlib-devel  && \
+	./configure --system-curl  && \
+	make -j4 && \
+	make install  && \
+	cd ..  && \
 	rm -rf cmake-3.9.0*
 
-RUN yum install autoconf automake bzip2 cmake freetype-devel gcc gcc-c++ libtool make mercurial pkgconfig perl-core zlib-devel -y && \
-	yum remove nasm -y && \
+RUN curl -O -L  https://www.cpan.org/src/5.0/perl-5.10.1.tar.gz  && \
+	tar -xzf perl-5.10.1.tar.gz && \
+	yum install autoconf automake bzip2 git freetype-devel gcc gcc-c++ libtool make pkgconfig  -y  && \
+	cd perl-5.10.1  && \
+	./Configure -des -Dprefix=$HOME/ffmpeg_build && \
+	make -j4 && \
+	make install && \
+	cd ..  && \
+	rm -rf perl-5.10.1* && \
+	PATH=$HOME/ffmpeg_build/bin:$PATH #otherwise perl not detected at runtime
+
+RUN	yum remove nasm -y && \
 	mkdir ~/ffmpeg_sources && \
 	cd ~/ffmpeg_sources && \
 	curl -O -L http://www.nasm.us/pub/nasm/releasebuilds/2.13.02/nasm-2.13.02.tar.bz2 && \
@@ -45,19 +55,19 @@ RUN yum install autoconf automake bzip2 cmake freetype-devel gcc gcc-c++ libtool
 	./configure --prefix="$HOME/ffmpeg_build" --disable-examples --disable-unit-tests --enable-vp9-highbitdepth --as=yasm --enable-pic --enable-shared && \
 	make -j4 && \
 	make install && \
-    cd ~/ffmpeg_sources && \
+	cd ~/ffmpeg_sources && \
 	curl -O -L https://github.com/openssl/openssl/archive/OpenSSL_1_1_1c.tar.gz && \
 	tar -zxvf OpenSSL_1_1_1c.tar.gz && \
 	cd openssl-OpenSSL_1_1_1c && \
-	./Configure --prefix="$HOME/ffmpeg_build" --openssldir="$HOME/ffmpeg_build" shared zlib && \
+	./config --prefix="$HOME/ffmpeg_build" --openssldir="$HOME/ffmpeg_build" shared zlib && \
 	make -j4 && \
-	make install && \
+	make install_sw && \ #skip building man-pages
 	cd ~/ffmpeg_sources && \
 	curl -O -L https://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2 && \
 	tar xjvf ffmpeg-snapshot.tar.bz2 && \
 	cd ffmpeg && \
 	PATH=~/bin:$PATH && \
-	PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure --prefix="$HOME/ffmpeg_build" --extra-cflags="-I$HOME/ffmpeg_build/include" --extra-ldflags="-L$HOME/ffmpeg_build/lib" --enable-libvpx --enable-openssl --enable-shared --enable-pic --bindir="$HOME/bin" && \
+	PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure --prefix="$HOME/ffmpeg_build" --extra-cflags="-I$HOME/ffmpeg_build/include" --extra-ldflags="-L$HOME/ffmpeg_build/lib" --enable-openssl --enable-libvpx --enable-shared --enable-pic --bindir="$HOME/bin" && \
 	make -j4 && \
 	make install && \
 	echo "/root/ffmpeg_build/lib/" >> /etc/ld.so.conf && \
diff --git a/docker/Dockerfile_x86_64 b/docker/Dockerfile_x86_64
index 23521eb8..0ff3ec2f 100644
--- a/docker/Dockerfile_x86_64
+++ b/docker/Dockerfile_x86_64
@@ -13,18 +13,28 @@ RUN curl -O -L https://download.qt.io/archive/qt/4.8/4.8.7/qt-everywhere-opensou
 ENV QTDIR /opt/Qt4.8.7
 ENV PATH "$QTDIR/bin:$PATH"
 
-RUN curl -O -L https://cmake.org/files/v3.9/cmake-3.9.0.tar.gz && \
-	tar -zxf cmake-3.9.0.tar.gz && \
-	cd cmake-3.9.0 && \
-	yum -y install curl-devel zlib-devel && \
-	./configure --system-curl && \
-	make && \
-	make install && \
-	cd .. && \
+RUN curl -O -L https://cmake.org/files/v3.9/cmake-3.9.0.tar.gz  && \
+	tar -zxf cmake-3.9.0.tar.gz  && \
+	cd cmake-3.9.0  && \
+	yum -y install curl-devel zlib-devel  && \
+	./configure --system-curl  && \
+	make -j4 && \
+	make install  && \
+	cd ..  && \
 	rm -rf cmake-3.9.0*
 
-RUN yum install autoconf automake bzip2 cmake freetype-devel gcc gcc-c++ libtool make mercurial pkgconfig perl-core zlib-devel -y && \
-	yum remove nasm -y && \
+RUN curl -O -L  https://www.cpan.org/src/5.0/perl-5.10.1.tar.gz  && \
+	tar -xzf perl-5.10.1.tar.gz && \
+	yum install autoconf automake bzip2 git freetype-devel gcc gcc-c++ libtool make pkgconfig  -y  && \
+	cd perl-5.10.1  && \
+	./Configure -des -Dprefix=$HOME/ffmpeg_build && \
+	make -j4 && \
+	make install && \
+	cd ..  && \
+	rm -rf perl-5.10.1* && \
+	PATH=$HOME/ffmpeg_build/bin:$PATH
+
+RUN	yum remove nasm -y && \
 	mkdir ~/ffmpeg_sources && \
 	cd ~/ffmpeg_sources && \
 	curl -O -L http://www.nasm.us/pub/nasm/releasebuilds/2.13.02/nasm-2.13.02.tar.bz2 && \
@@ -49,9 +59,9 @@ RUN yum install autoconf automake bzip2 cmake freetype-devel gcc gcc-c++ libtool
 	curl -O -L https://github.com/openssl/openssl/archive/OpenSSL_1_1_1c.tar.gz && \
 	tar -zxvf OpenSSL_1_1_1c.tar.gz && \
 	cd openssl-OpenSSL_1_1_1c && \
-	./Configure --prefix="$HOME/ffmpeg_build" --openssldir="$HOME/ffmpeg_build" shared zlib && \
+	./config --prefix="$HOME/ffmpeg_build" --openssldir="$HOME/ffmpeg_build" shared zlib && \
 	make -j4 && \
-	make install && \
+	make install_sw && \
 	cd ~/ffmpeg_sources && \
 	curl -O -L https://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2 && \
 	tar xjvf ffmpeg-snapshot.tar.bz2 && \