don't hardcode the api ip/host

README.md

@@ -31,6 +31,13 @@ dcc-go -address=3 -device=/dev/ttyACM0
 ```
 docker-compose up -d
 ```
+After making changes or pulling latest you'll need to rebuild and restart the service:
+```
+docker-compose build
+docker-compose kill
+docker-compose rm -f
+docker-compose up -d
+```
 
 ### docker
 ```

ui/web/assets/script.js

@@ -3,6 +3,8 @@ var functionsCount = 28;
 var speed=0;
 var address=3;
 var directionForward=true;
+var hostname = window.location.hostname;
+console.log('api host: ' + hostname);
 
 function addFunctionRows(document) {
   for (let i = 1; i<=functionsCount; i=i+4) {
@@ -112,7 +114,7 @@ $(document).ready(function(){
 
       if (curr == 'power') {
         $.ajax({
-          url: 'http://10.0.1.121:8080/power',
+          url: 'http://' + hostname + ':8080/power',
           success: function(data){
             console.log(JSON.stringify(data));
             var json = JSON.parse(data)
@@ -133,7 +135,7 @@ $(document).ready(function(){
         $("#stop").addClass('active');
         $("#speed-input-box").val('0');
         $.ajax({
-          url: 'http://10.0.1.121:8080/'+address+'/stop',
+          url: 'http://' + hostname + ':8080/'+address+'/stop',
           success: function(data){
             console.log(JSON.stringify(data));
           },
@@ -155,7 +157,7 @@ $(document).ready(function(){
       } else if (curr.match(digitRegex)) {
         console.log(curr + " is a number");
         $.ajax({
-          url: 'http://10.0.1.121:8080/'+address+'/function?function=' + curr,
+          url: 'http://' + hostname + ':8080/'+address+'/function?function=' + curr,
           success: function(data){
             console.log(JSON.stringify(data));
             var json = JSON.parse(data)
@@ -193,7 +195,7 @@ function updateSpeedRequest() {
   }
 
   $.ajax({
-    url: 'http://10.0.1.121:8080/'+address+'/speed?forward=' + directionForward + '&speed=' + speed,
+    url: 'http://' + hostname + ':8080/'+address+'/speed?forward=' + directionForward + '&speed=' + speed,
     success: function(data){
       console.log(JSON.stringify(data));
     },
@@ -205,7 +207,7 @@ function updateSpeedRequest() {
 
 function refreshState() {
   $.ajax({
-    url: 'http://10.0.1.121:8080/state',
+    url: 'http://' + hostname + ':8080/state',
     success: function(data){
       var json = JSON.parse(data);