text: Title: CMake : Could not find OpenSSL.
  Body: Please advise me.
  
  `$ docker build -t deepo1 -f Dockerfile.pytorch-py36-cu100 .`
  
  ...
  -- Looking for C++ include dlfcn.h
  -- Looking for C++ include dlfcn.h - found
  -- Checking whether dladdr works with this C++ compiler
  -- Checking whether dladdr works with this C++ compiler - yes
  -- Looking for C++ include cxxabi.h
  -- Looking for C++ include cxxabi.h - found
  -- Checking whether cxxabi works with this C++ compiler
  -- Checking whether cxxabi works with this C++ compiler - yes
  -- Checking whether CXX compiler has getloadavg
  -- Checking whether CXX compiler has getloadavg - yes
  -- Checking whether <ext/stdio_filebuf.h> is available
  -- Checking whether <ext/stdio_filebuf.h> is available - yes
  -- Performing Test HAVE_SOCKADDR_IN6_SIN6_ADDR
  -- Performing Test HAVE_SOCKADDR_IN6_SIN6_ADDR - Success
  -- Performing Test HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
  -- Performing Test HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID - Success
  -- Looking for connect in socket;dl
  -- Looking for connect in socket;dl - not found
  -- Looking for gethostbyname in c
  -- Looking for gethostbyname in c - found
  -- Looking for recv in network;dl
  -- Looking for recv in network;dl - not found
  -- Looking for gethostname
  -- Looking for gethostname - found
  -- Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_CRYPTO_LIBRARY OPENSSL_INCLUDE_DIR) 
  **CMake Error at Utilities/cmcurl/CMakeLists.txt:454 (message):
    Could not find OpenSSL.  Install an OpenSSL development package or
    configure CMake with -DCMAKE_USE_OPENSSL=OFF to build without OpenSSL.**
  
  
  Configuring incomplete, errors occurred!
  See also "/root/cmake/CMakeFiles/CMakeOutput.log".
  See also "/root/cmake/CMakeFiles/CMakeError.log".
  
  **Error when bootstrapping CMake:
  Problem while running initial CMake**