Docker Container - hqzhang/cloudtestbed GitHub Wiki

FROM golang

ARG A_VARIABLE.            # docker build --build-arg A_VARIABLE=somevalue
ENV an_env_var=$A_VARIABLE # docker run --env an_env_var=othervalue

WORKDIR /app #like cd 
USER root.         #like su switch user
RUN go version     #Debug purpose
RUN go env         #Debug purpose
COPY ./main.go .
ADD ./ngin.conf .  #like copy but can unzip
RUN ls -al.        #Debug purpose
RUN go build -o main main.go 
RUN ls -al.        #Debug purpose
VOLUME  vol1 # not suggust
RUN ls -al /app    #Debug purpose
RUN ./main         #Debug purpose
ONBUILD COPY ./src  . # just execute when use it as base image
EXPOSE 8080        #app listening
CMD [ "./mymain"]
CMD [ "./main"].  #Override above, cli can override it
ENTRYPOINT ["echo", "hello"] #can not be Overrided, cli just append it.
CMD ["hongqi"].   # append to ENTRYPOINT


DOCKER_BUILDKIT=0 docker build .

0. Mac remotely
   socat -d TCP-LISTEN:2376,range=127.0.0.1/32,reuseaddr,fork UNIX:/var/run/docker.sock
start: 
open /Applications/Docker.app
stop:
killall Docker

  apt-get install apt-transport-https ca-certificates
  apt-key adv \
                --keyserver hkp://ha.pool.sks-keyservers.net:80 \
                --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
  echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" | tee /etc/apt/sources.list.d/docker.list
  apt-cache policy docker-engine
  apt-get install -y linux-image-extra-$(uname -r) linux-image-extra-virtual
  apt-get install -y docker-engine=1.10.3-0~trusty
  usermod -a -G docker vagrant

   1) docker run -it --name "mycontainer" ubuntu:latest   //run container as interactive
   2) docker run -dt --name "mycontainer" ubuntu:latest   //run container as background
   3) docker exec -it containerId bash                    //run command inside container
   4) docker ps -a                                        //check running status                
   5) docker network create -d bridge my-bridge-network   //create a network
   6) docker build -t name:tag -f dockerfile              //create docker image
   7) docker volume create my-vol                           //create a docker volume
   8) docker system info
   9) docker inspect contid
   10) docker service ls
   11) docker container ls
   12) docker checkpoint ls contid
   13) docker plugin ls
   14) docker deploy(run/create) option
       1)network
       2)volume
       3)portmap
       4)name
       5)image
       6)entryport
15e601838c9d        couchbase           "/entrypoint.sh co..."   3 weeks ago         Up 11 minutes       0.0.0.0:8091-8094->8091-8094/tcp, 11207/tcp, 11211/tcp, 0.0.0.0:11210->11210/tcp, 18091-18094/tcp   db
       
   15) Swarm command
  secret      Manage Docker secrets
  stack       Manage Docker stacks
  service     Manage services
  swarm       Manage Swarm
  node        Manage Swarm nodes

cat <<EOF >> dockerfile
FROM ubuntu:14.04
MAINTAINER Hongqi Zhang <[email protected]>
RUN apt-get update 
RUN ln -sf /dev/stdout /var/log/upstart/controller
COPY opt/cni/bin/cni  /opt/cni/bin/
COPY opt/cni/bin/loopback   /opt/cni/bin/
RUN chmod a+x /opt/bin/controller
RUN chmod a+x /opt/bin/etcd
RUN touch /var/log/controller.log
EOF
docker build -t controller -f dockerfile 

  ./controller  -LogOutput /var/log/canal/controller.log -SelfStoreEndpoint ${IP}:4003  &

docker run --name controller -d -t \
          -v /etc/cni/net.d/:/etc/cni/net.d/           \
          controller \
          /opt/bin/canal-controller \
          -SelfStoreEndpoint ${IP}:4003 

cat <<EOF >> docker-compose.yml
version: '2'
services:
  controller:
    image: controller
    links:
      - etcd
    command: 
      - /opt/bin/controller 
      - -SelfStoreEndpoint 
      - ${IP}:4003 
    volumes:
      - /etc/cni/net.d/:/etc/cni/net.d/
EOF
docker-compose up