adjusted to support self-signed certificates on mqtt

Dockerfile

@@ -0,0 +1,20 @@
+FROM alpine:3.7
+
+# Copy files
+ADD . /app
+RUN cp /app/data/configuration.yaml /app
+RUN cp /app/docker/run.sh /app
+RUN chmod +x /app/run.sh
+WORKDIR /app
+
+# Write .hash.json
+ARG COMMIT
+RUN echo "{\"hash\": \"$COMMIT\"}" > .hash.json
+
+# Install dependencies
+RUN apk add --update --no-cache make gcc g++ python linux-headers udev nodejs git && \
+    npm install --unsafe-perm && \
+    apk del make gcc g++ python linux-headers udev git
+
+# Entrypoint
+ENTRYPOINT ["./run.sh"]

data/configuration.yaml

@@ -13,6 +13,7 @@ mqtt:
   # MQTT server authentication, uncomment if required:
   # user: my_user
   # password: my_password
+  # selfsigned: false
 
 # Serial settings
 serial:

lib/mqtt.js

@@ -22,6 +22,11 @@ class MQTT {
             logger.debug(`Using MQTT client ID: '${mqttSettings.client_id}'`);
             options.clientId = mqttSettings.client_id;
         }
+	
+	if (mqttSettings.selfsigned) {
+	    logger.debug(`Using Self Signed Cert. Ignoring warnings.`);
+	    options.rejectUnauthorized = false;
+        }
 
         this.client = mqtt.connect(mqttSettings.server, options);