Updated target api version to 1.1.13.

Replaced traefik with Caddy as reverse proxy.
Added health check for api in docker compose (resolves #4).
Updated node to v14 and other dependencies.

healthcheck.js

@@ -0,0 +1,44 @@
+const http = require('http');
+
+const response = http.request(
+  {
+    host: '0.0.0.0',
+    method: 'GET',
+    path: '/info',
+    port: 8080,
+    timeout: 2000,
+  },
+  (res) => {
+    let body = '';
+    res.setEncoding('utf8');
+
+    res.on('data', (chunk) => {
+      body += chunk;
+    });
+
+    res.on('end', () => {
+      if (res.statusCode === 200) {
+        const payload = JSON.parse(body);
+        switch (payload.status) {
+          case 1:
+          case 3:
+            console.log('HEALTHCHECK: online');
+            process.exit(0);
+          case 2:
+          default:
+            console.log('HEALTHCHECK: offline');
+        }
+      } else {
+        console.log('HEALTHCHECK: offline');
+      }
+      process.exit(1);
+    });
+  }
+);
+
+response.on('error', function (err) {
+  console.log('HEALTHCHECK: offline');
+  process.exit(1);
+});
+
+response.end();