added notes and dockerfile for pynode

linux/docker install.md

@@ -0,0 +1,19 @@
+# install
+sudo apt-get update
+sudo apt-get install apt-transport-https ca-certificates curl software-properties-common
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+sudo apt-get update
+sudo apt-get install docker-ce
+
+# add portainer
+docker run -d -p 8000:8000 -p 9000:9000 --name=portainer --restart=always --pull=always -v /var/run/docker.sock:/var/run/docker.sock -v /mnt/storage/docker_volumes/portainer_data:/data portainer/portainer-ce
+
+
+# start
+sudo systemctl start docker
+sudo systemctl enable docker
+
+
+# build image
+sudo docker build -t your-image-name .