diff --git a/.env.tpl b/.env.tpl
new file mode 100644
index 0000000..715c058
--- /dev/null
+++ b/.env.tpl
@@ -0,0 +1,2 @@
+PORT=4000
+REACT_APP_API_URL=http://localhost:8081/
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index a02353a..ff72136 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ coverage
 node_modules
 .DS_Store
 build
+.env
diff --git a/src/components/configuration/ConfigForm.tsx b/src/components/configuration/ConfigForm.tsx
index edc91bb..fca6f09 100644
--- a/src/components/configuration/ConfigForm.tsx
+++ b/src/components/configuration/ConfigForm.tsx
@@ -35,7 +35,7 @@ const ConfigForm = (conf: ConfigProps) => {
                 <TextField
                     id="github-url"
                     error={gitError}
-                    label="Repository URL (GitHub /organization/repository)"
+                    label="Repository URL (GitHub /organization/repository) or (GitHub /organization/repository#branchOrTag)"
                     type="text"
                     style={{ margin: 8 }}
                     placeholder="GitHub URL here"
diff --git a/src/config.ts b/src/config.ts
new file mode 100644
index 0000000..92e24f1
--- /dev/null
+++ b/src/config.ts
@@ -0,0 +1,5 @@
+const config = {
+    apiUrl: process.env.REACT_APP_API_URL || 'http://localhost:8081/',
+}
+
+export { config };
diff --git a/src/http/DoAnalyze.tsx b/src/http/DoAnalyze.tsx
index de3fada..c7f8742 100644
--- a/src/http/DoAnalyze.tsx
+++ b/src/http/DoAnalyze.tsx
@@ -1,6 +1,7 @@
 import ActionsRegister from "../state/ActionsRegister";
 import * as React from "react";
 import FetchMetadata from "./FetchMetadata";
+import { config } from "../config";
 
 const DoAnalyze = {
     /**
@@ -22,8 +23,7 @@ const DoAnalyze = {
         }
     },
     async getProphetData(path: string) {
-        return await fetch( 'http://127.0.0.1:8081/', {
-        // return await fetch( 'https://cloudhubs.ecs.baylor.edu/prophet/utils', {
+        return await fetch(config.apiUrl , {
             method: 'POST',
             body: JSON.stringify({
                 repositories: [