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docker-letsencrypt-nginx-pr.../app/start.sh

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#!/bin/bash
# SIGTERM-handler
term_handler() {
[[ -n "$docker_gen_pid" ]] && kill $docker_gen_pid
[[ -n "$letsencrypt_service_pid" ]] && kill $letsencrypt_service_pid
source /app/functions.sh
remove_all_location_configurations
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exit 143; # 128 + 15 -- SIGTERM
}
trap 'term_handler' INT QUIT KILL TERM
/app/letsencrypt_service &
letsencrypt_service_pid=$!
docker-gen -watch -only-exposed -notify '/app/update_certs' -wait 15s:60s /app/letsencrypt_service_data.tmpl /app/letsencrypt_service_data &
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docker_gen_pid=$!
# wait "indefinitely"
while [[ -e /proc/$docker_gen_pid ]]; do
wait $docker_gen_pid # Wait for any signals or end of execution of docker-gen
done
# Stop container properly
term_handler