Create Dockerfile

Dockerfile to build parity for CentOS

docker/centos/Dockerfile

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+FROM centos:latest
+WORKDIR /build
+# install tools and dependencies
+RUN yum -y update&& \
+    yum install -y git make gcc-c++ gcc file 
+# install rustup
+RUN curl -sSf https://static.rust-lang.org/rustup.sh -o rustup.sh &&\
+ls&&\ 
+ sh rustup.sh -s -- --disable-sudo
+# show backtraces
+ENV RUST_BACKTRACE 1
+ENV CXX g++
+ENV CC gcc
+RUN rustc -vV && \
+cargo -V && \
+gcc -v &&\
+g++ -v
+# git clone parity
+RUN git clone https://github.com/ethcore/parity && \
+	cd parity&&\
+        ls -a&&\
+        cargo build --release --verbose && \
+	ls /build/parity/target/release/parity &&	\
+	file /build/parity/target/release/parity && \
+RUN file /build/parity/target/release/parity