23 lines
518 B
Bash
23 lines
518 B
Bash
#!/bin/sh
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# wait-for-mqtt.sh: wait for MQTT broker from $MQTT_BROKER (default tcp://mosquitto:1883)
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set -e
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BROKER=${MQTT_BROKER:-tcp://mosquitto:1883}
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# strip tcp:// if present
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BROKER=${BROKER#tcp://}
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HOST=${BROKER%%:*}
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PORT=${BROKER#*:}
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if [ "$HOST" = "$PORT" ]; then
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# no port provided
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PORT=1883
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fi
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echo "Waiting for MQTT broker $HOST:$PORT..."
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while ! nc -z "$HOST" "$PORT"; do
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echo "broker not ready, retrying..."
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sleep 1
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done
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echo "Broker $HOST:$PORT is up, starting server"
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exec /usr/local/bin/server
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