Execute a hook in './hooks/<service>/<action>' when that event is received

compose-hooks.sh

#!/bin/bash
set -e

function handle_event() {
    local entry="$1"
    local action=$(echo $entry | jq -r '.action')
    local service=$(echo $entry | jq -r '.service')
    local hook="./hooks/$service/$action"
    if [ -x "$hook" ]; then
        "$hook" "$entry"
    fi
}

docker-compose events --json | (
    while read line; do
        handle_event "$line"
    done
)