added config file

src/Authentification/Keycloak.js

@@ -1,4 +1,9 @@
 import Keycloak from "keycloak-js";
+import getConfig from "../config/config";
+
+const config = getConfig();
+const path = config.REACT_APP_KC_HOSTNAME || process.env.REACT_APP_KC_HOSTNAME;
+
 const keycloak = new Keycloak({
     url: process.env.REACT_APP_KC,
     realm: "Jodel",

src/api/posts.api.js

@@ -1,21 +1,25 @@
 import axios from "axios"
 import {locationUtils} from "../utils/location";
 import keycloak from "../Authentification/Keycloak";
+import getConfig from "../config/config";
+
+const config = getConfig();
+const path = config.REACT_APP_API_HOSTNAME || process.env.REACT_APP_API_HOSTNAME;
 
 export const postApi = {
     async getPostsByCoords (lat, lon) {
         if (!keycloak.authenticated) return [];
-        return (await axios.get(`${process.env.REACT_APP_API}/posts/${lat}/${lon}`)).data;
+        return (await axios.get(`${route}/posts/${lat}/${lon}`)).data;
     },
     async getPostByID (id) {
         if (!keycloak.authenticated) return [];
-        return (await axios.get(`${process.env.REACT_APP_API}/post/${id}`)).data;
+        return (await axios.get(`${path}/post/${id}`)).data;
     },
     async createNewPost(title, content, parent = null) {
         const location = await locationUtils.getCurrentLocation();
         if(location.lon && location.lat) {
             if(parent !== null) {
-                await axios.post(`${process.env.REACT_APP_API}/posts`, {
+                await axios.post(`${path}/posts`, {
                     "authorID": 1,
                     "title": title,
                     "content": content,
@@ -27,7 +31,7 @@ export const postApi = {
                     "parent": parent
                 });
             } else {
-                await axios.post(`${process.env.REACT_APP_API}/posts`, {
+                await axios.post(`${path}/posts`, {
                     "authorID": 1,
                     "title": title,
                     "content": content,
@@ -43,6 +47,6 @@ export const postApi = {
         }
     },
     async reactToPost(id, reaction) {
-        await axios.patch(`${process.env.REACT_APP_API}/post/${id}`, {reaction: reaction});
+        await axios.patch(`${path}/post/${id}`, {reaction: reaction});
     }
 }

src/config/config.js

@@ -0,0 +1,5 @@
+const getConfig = () => {
+    return window._env_ || {};
+}
+
+export default getConfig;