@droneblocks/node-red-dexi/src/servo.html

You want to make sure you don't lose any of your flow development. Make sure to map the host "flows" directory to the container directory as shown below. This will store the flow on your host machine if/when the container is destroyed.

<script type="text/javascript">
    RED.nodes.registerType('servo', {
        category: 'DEXI',
        color: '#a6bbcf',
        defaults: {
            name: {value: "servo"},
            servoId: {value: "0"},
            angle: {value: "90"}
        },
        inputs: 1,
        outputs: 1,
        icon: "file.svg",
        paletteLabel: "servo",
        label: function() {
            return this.name || "servo"
        }
    })
</script>

<script type="text/html" data-template-name="servo">
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="servo">
    </div>
    <div class="form-row">
        <label for="node-input-servoId"><i class="icon-tag"></i> Servo ID</label>
        <select id="node-input-servoId">
            <option value="0">0</option>
            <option value="1">1</option>
            <option value="2">2</option>
            <option value="3">3</option>
            <option value="4">4</option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-angle"><i class="icon-tag"></i> Angle (0-180)</label>
        <input type="number" id="node-input-angle" min="0" max="180" placeholder="90">
    </div>
</script>

<script type="text/html" data-help-name="servo">
    <p>Control servo motor position</p>
    <p>Configure the servo ID (0-4) and angle (0-180 degrees)</p>
    <p>The node will publish to the ROS2 servo control service</p>
</script>