remote-compose.sh

#!/bin/bash

# Wrapper over docker-compose to run on remote server.

# Usage:
# Takes same arguments as docker-compose.

# Typical usage:

# remote-compose server down
# remote-compose server up --no-build -d
# (In a 2nd terminal:)
# remote-compsoe server logs -f --tail=0

# Requirements/Restrictions:
# * ssh key-based login only.  (no password)
# * User must be in 'docker' group on server
# * Required apps: bash, ssh, nc, docker-compose

set -euo pipefail

server="${1}"; shift
endpoint="${endpoint:-localhost}"
port="${port:-2377}"
export COMPOSE_HTTP_TIMEOUT=180

# Start proxy

while nc -z "$endpoint" "$port"; do port="$(( $RANDOM + 1024 ))"; done
ssh -qnNT -L "${endpoint}:${port}:/var/run/docker.sock" "${server}" &
trap "kill $!" TERM INT EXIT
sleep 1
while ! nc -z "$endpoint" "$port"; do sleep 1; done
export DOCKER_HOST="tcp://${endpoint}:${port}"

docker-compose "$@"