*docker-image-deploy.md

Docker Deploy

Simple setup to use SSH as the way to transfer the docker image instead of using a registry

deploy.sh

#!/usr/bin/env bash

APP_NAME="demo"
IMAGE_NAME="demo:latest"
SSH_USER="deploy"
SSH_HOST=example.com

PREPARE_COMMANDS="""
set -euxo pipefail
mkdir -p ~/$APP_NAME
"""

ssh ${SSH_USER}@${SSH_HOST} "/bin/bash -c '$PREPARE_COMMANDS'"

# Build Image
docker build . --platform=linux/amd64 -t ${IMAGE_NAME}
docker save ${APP_NAME}:latest | gzip > ${APP_NAME}-latest.tar.gz

rsync --progress ${APP_NAME}-latest.tar.gz ${SSH_USER}@${SSH_HOST}:~/$APP_NAME

COMMANDS="""
set -euxo pipefail
cd ~/${APP_NAME}
docker image load < ${APP_NAME}-latest.tar.gz
docker stop \$(docker container ls --all --filter=ancestor="${IMAGE_NAME}" --format "{{.ID}}")
docker run -d -p '3000:3000' -v='./:/usr/bin/app' ${IMAGE_NAME} 
"""

ssh ${SSH_USER}@${SSH_HOST} "/bin/bash -c '$COMMANDS'"