sh run-docker-nginx.sh

Posted 2021-05-07

#!/bin/sh

# see: https://github.com/docker-library/docs/tree/master/nginx

# config
CONTAINER=nginx0
PORT=8888
IMAGE=nginx
DOCKER=docker

# ensure the nginx image exists
if [ -z "$(${DOCKER} images -q ${IMAGE} 2> /dev/null)" ] ;then
  ${DOCKER} pull ${IMAGE}
fi

# ensure the nginx.conf exists
if [ ! -f nginx.conf ] ;then
  TEMP_CONTAINER=TEMP_NGINX
  ${DOCKER} run \
            --name ${TEMP_CONTAINER} \
            -d \
            ${IMAGE}
  ${DOCKER} cp ${TEMP_CONTAINER}:/etc/nginx/nginx.conf nginx.conf
  ${DOCKER} stop ${TEMP_CONTAINER}
  ${DOCKER} rm ${TEMP_CONTAINER}
fi

# create and run the container
if [ -z "$(${DOCKER} ps -a -q -f name=${CONTAINER} 2> /dev/null)" ] ;then
  mkdir -p docroot
  ${DOCKER} run \
            --name ${CONTAINER} \
            -v $(pwd)/docroot:/usr/share/nginx/html:ro \
            -v $(pwd)/nginx.conf:/etc/nginx/nginx.conf:ro \
            -p ${PORT}:80 \
            -d \
            ${IMAGE}
fi

# ensure the container is running
if [ "$(${DOCKER} inspect -f '{{.State.Running}}' ${CONTAINER} 2> /dev/null)" != "true" ] ;then
  ${DOCKER} start ${CONTAINER}
fi