Merge pull request #62 from flowforge/fix-healthcheck

Fix healthcheck

node-red-container/Dockerfile

@@ -6,6 +6,8 @@ ARG BUILD_TAG=latest
 RUN if [[ ! -z "$REGISTRY_TOKEN" ]]; then echo "//$REGISTRY/:_authToken=$REGISTRY_TOKEN" >> ~/.npmrc ; fi
 RUN if [[ ! -z "$REGISTRY" ]] ; then npm config set @flowforge:registry "https://$REGISTRY"; fi
 
+COPY healthcheck.js /healthcheck.js
+
 COPY package.json /data
 WORKDIR /data
 RUN npm install

node-red-container/healthcheck.js

@@ -0,0 +1,24 @@
+var http = require('http');
+var https = require('https');
+var request;
+
+process.env["NODE_TLS_REJECT_UNAUTHORIZED"] = 0;
+
+var options = {
+    host : "localhost",
+    port : 2880,
+    timeout : 4000
+};
+
+request = https.request(options, (res) => {
+    //console.log(`STATUS: ${res.statusCode}`);
+    if ((res.statusCode >= 200) && (res.statusCode < 500)) { process.exit(0); }
+    else { process.exit(1); }
+});
+
+request.on('error', function(err) {
+    //console.log('ERROR',err);
+    process.exit(1);
+});
+
+request.end();