Added dockerfile

.github/workflows/ccpp.yml

-name: C/C++ CI
-
-on: [push]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: install packages
-      run: >
-        sudo apt-get update && sudo apt-get install -yq --no-install-recommends python-yaml vim telnet git yasm python-yaml
-        ca-certificates build-essential ocaml ocamlbuild automake autoconf libtool wget python
-        libssl-dev libssl-dev libcurl4-openssl-dev protobuf-compiler git libprotobuf-dev alien
-        cmake debhelper uuid-dev libxml2-dev libprotobuf10 cmake flex bison  libprocps-dev ccache
-        autoconf texinfo libssl-dev libboost-all-dev libjsonrpccpp-dev libjsonrpccpp-tools
-    - name: install sgx
-      run: >
-        git clone -b sgx_2.5 --depth 1 https://github.com/intel/linux-sgx &&
-        cd linux-sgx &&
-        patch -p1 -i ../docker/install-psw.patch && ./download_prebuilt.sh 2> /dev/null
-        && make -s -j$(nproc) sdk_install_pkg psw_install_pkg
-        && sudo ./linux/installer/bin/sgx_linux_x64_sdk_2.5.100.49891.bin --prefix=/opt/intel
-        && sudo ./linux/installer/bin/sgx_linux_x64_psw_2.5.100.49891.bin &&
-        cd .. && rm -rf linux-sgx/
-    - name: update git
-      run: git submodule update --init --recursive
-    - name: build deps
-      run:  cd scripts; ./build.py
-    - name: build sgx
-      run:  autoreconf -vif && automake && ./configure && make