diff --git a/.gitignore b/.gitignore
index eb89f3c..870c5b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,92 +1,91 @@
 # Compiled Object files
 *.slo
 *.lo
 *.o
 *.obj
 
 # Compiled Dynamic libraries
 *.so
 *.so.*
 *.dylib
 *.dll
 
 # Compiled Static libraries
 *.lai
 *.la
 *.a
 *.lib
 
 # Executables
 *.exe
 *.out
 *.app
 
 *.class
 
 # Mobile Tools for Java (J2ME)
 .mtj.tmp/
 
 # Package Files #
 *.jar
 *.war
 *.ear
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
 # Qt-es
 
 /.qmake.cache
 /.qmake.stash
 *.pro.user
 *.pro.user.*
 *.moc
 moc_*.cpp
 qrc_*.cpp
 ui_*.h
 Makefile*
 *-build-*
 
 # QtCreator
 
 *.autosave
 
 coco/*.old
 coco/*~
 *~
 
 cpp/build-*/*
 cpp/xreate-debug/*
 cpp/xreate-release/*
 cpp/.idea
 CMakeLists.txt.user
 cmake_install.cmake
 project/*
 nb*.xml
 .*
 target/*
 /tools/phabricator/xreate-frontend/nbproject/private/
 documentation/trash4/
 trash/
 CMakeFiles/
 gen-cpp/
 generated-cpp/
 gen-php/
 generated-js/
 books/
 build/
 coco/Parser.*
 coco/Scanner.*
 
 cpp/src/compilation/latecontextcompiler.cpp
 cpp/src/compilation/latecontextcompiler.h
 cpp/src/pass/environmenttestspass.cpp
 cpp/src/pass/environmenttestspass.h
 cpp/src/query/ptrvalid.cpp
 cpp/src/query/ptrvalid.h
 cpp/tests/deferred/
 cpp/tests/vendorAPI/
 
-installation/
 scripts/metatests/
 tools/phabricator/administration/
diff --git a/installation/docker/Dockerfile-arm b/installation/docker/Dockerfile-arm
new file mode 100644
index 0000000..68ed810
--- /dev/null
+++ b/installation/docker/Dockerfile-arm
@@ -0,0 +1,8 @@
+FROM armbuild/debian
+MAINTAINER  Melnychenko Volodymyr <inbox@xreate.org> 
+
+ARG LLVM_VERSION=3.8
+ARG BOOST_VERSION=_1_55
+ARG CLASP_VERSION=a363d9
+
+RUN apt install libboost$BOOST_VERSION-dev libclang-$LLVM_VERSION-dev llvm-$LLVM_VERSION-dev
diff --git a/installation/docker/Dockerfile-debian b/installation/docker/Dockerfile-debian
new file mode 100644
index 0000000..23437b6
--- /dev/null
+++ b/installation/docker/Dockerfile-debian
@@ -0,0 +1,58 @@
+FROM debian:jessie
+MAINTAINER  Melnychenko Volodymyr <inbox@xreate.org> 
+
+ARG LLVM_VERSION=3.8
+ARG BOOST_VERSION=1.55
+ARG CLASP_VERSION=95cc1182f
+ARG JEAYESON_VERSION=20389e5a
+
+ENV DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+
+RUN echo "deb http://httpredir.debian.org/debian jessie-backports main" >> /etc/apt/sources.list &&\
+    apt update && apt-get install -y libboost$BOOST_VERSION-dev libclang-$LLVM_VERSION-dev llvm-$LLVM_VERSION-dev \
+    libtbb-dev cmake git libgtest-dev libxml2-dev \
+    coco-cpp bison re2c scons g++ zlib1g-dev
+#coco build dep packages: wget unzip
+
+
+#       POTASSCO
+WORKDIR /opt/potassco/clingo/
+
+RUN git clone https://github.com/potassco/clingo.git ./ &&\
+    git reset --hard $CLASP_VERSION
+
+#potassco patches:
+#ADD patches/potassco-patch-$CLASP_VERSION .    
+#git apply potassco-patch-$CLASP_VERSION &&\
+
+RUN scons configure --build-dir=debug &&\
+    sed -i "s/, '-fvisibility=hidden'//" build/debug.py &&\
+    sed -i "s/CXXFLAGS = \[\(.*\)\]/CXXFLAGS = \['-fPIC', \1\]/" build/debug.py &&\
+    sed -i "s/WITH_LUA = 'auto'/WITH_LUA = None/" build/debug.py &&\
+    sed -i "s/WITH_PYTHON = 'auto'/WITH_PYTHON = None/" build/debug.py &&\
+    sed -i "s/'-std=c++11'/'-std=c++14'/" build/debug.py &&\
+    cat build/debug.py &&\
+    scons --build-dir=debug
+    
+##sed -i "s/CXX = 'c++'/CXX = 'g++-6'/" build/debug.py &&\
+
+
+#       GTEST
+RUN cd /usr/src/gtest/ && cmake CMakeLists.txt && make
+ENV GTEST_ROOT="/usr/src/gtest/"
+
+#       COCO
+
+
+#       XREATE
+WORKDIR /opt/xreate 
+RUN git clone --recursive https://pgess@bitbucket.org/pgess/xreate.git ./
+ADD patches/jeayeson-patch-$JEAYESON_VERSION vendors/jeayeson/    
+
+RUN cd vendors/jeayeson/                &&\
+    git apply jeayeson-patch-$JEAYESON_VERSION &&\
+    ./configure                         &&\
+    mkdir ../../build                   &&\
+    cd ../../build                      &&\
+    cmake -DBUILD_XREATE_TESTS=1 ../cpp &&\
+    make -j4 VERBOSE=1
diff --git a/installation/docker/patches/jeayeson-patch-20389e5a b/installation/docker/patches/jeayeson-patch-20389e5a
new file mode 100644
index 0000000..eee1bde
--- /dev/null
+++ b/installation/docker/patches/jeayeson-patch-20389e5a
@@ -0,0 +1,32 @@
+diff --git a/include/jeayeson/detail/stream.hpp b/include/jeayeson/detail/stream.hpp
+index 2a6937a..b9fedd3 100644
+--- a/include/jeayeson/detail/stream.hpp
++++ b/include/jeayeson/detail/stream.hpp
+@@ -40,11 +40,11 @@ namespace jeayeson
+   inline std::ostream& operator <<(std::ostream &stream, value::null_t const &)
+   { return (stream << "null"); }
+ 
+-  template <>
++  //template <>
+   inline std::ostream& operator <<(std::ostream &stream, array_t const &arr)
+   {
+     stream << arr.delim_open;
+-    streamjoin(arr.values_.begin(), arr.values_.end(), stream);
++    streamjoin(arr.begin(), arr.end(), stream);
+     stream << arr.delim_close;
+     return stream;
+   }
+@@ -56,11 +56,11 @@ namespace jeayeson
+   )
+   { return (stream << "\"" << detail::escape(p.first) << "\":" << p.second); }
+ 
+-  template <>
++  //template <>
+   inline std::ostream& operator <<(std::ostream &stream, map_t const &m)
+   {
+     stream << m.delim_open;
+-    streamjoin(m.values_.begin(), m.values_.end(), stream);
++    streamjoin(m.begin(), m.end(), stream);
+     stream << m.delim_close;
+     return stream;
+   }