allow JS expressions in config file (#22)

Signed-off-by: Haritz S. Sierra <[email protected]>

env-docker-config.js

@@ -1,20 +1,20 @@
 window._env_ =  {
     INFO: {
-        UI_VERSION: "XXX_UI_VERSION",
-        BUILD_ID: "XXX_BUILD_ID",
-        BUILD_TIME: "XXX_BUILD_TIME",
-        CHART_VERSION: "${CHART_VERSION}",
-        HELM_REVISION: "${HELM_REVISION}",
+        UI_VERSION: `XXX_UI_VERSION`,
+        BUILD_ID: `XXX_BUILD_ID`,
+        BUILD_TIME: `XXX_BUILD_TIME`,
+        CHART_VERSION: `${CHART_VERSION}`,
+        HELM_REVISION: `${HELM_REVISION}`,
     },
-    AUTH_COGNITO_ENABLED: "${COGNITO_ENABLED}",
-    AUTH_COGNITO_HOSTED_UI_DOMAIN: "${COGNITO_HOSTED_UI_DOMAIN}",
-    AUTH_OIDC_AUTHORITY: "${OIDC_AUTHORITY}",
-    AUTH_OIDC_CLIENT_ID: "${OIDC_CLIENT_ID}",
-    LAMASSU_CA_API: "https://${DOMAIN}/api/ca",
-    LAMASSU_DMS_MANAGER_API: "https://${DOMAIN}/api/dmsmanager",
-    LAMASSU_DEVMANAGER:"https://${DOMAIN}/api/devmanager",
-    LAMASSU_ALERTS:"https://${DOMAIN}/api/alerts",
-    LAMASSU_VDMS:"",
-    LAMASSU_VDEVICE:"",
+    AUTH_COGNITO_ENABLED: `${COGNITO_ENABLED}`,
+    AUTH_COGNITO_HOSTED_UI_DOMAIN: `${COGNITO_HOSTED_UI_DOMAIN}`,
+    AUTH_OIDC_AUTHORITY: `${OIDC_AUTHORITY}`,
+    AUTH_OIDC_CLIENT_ID: `${OIDC_CLIENT_ID}`,
+    LAMASSU_CA_API: `https://${DOMAIN}/api/ca`,
+    LAMASSU_DMS_MANAGER_API: `https://${DOMAIN}/api/dmsmanager`,
+    LAMASSU_DEVMANAGER:`https://${DOMAIN}/api/devmanager`,
+    LAMASSU_ALERTS:`https://${DOMAIN}/api/alerts`,
+    LAMASSU_VDMS:``,
+    LAMASSU_VDEVICE:``,
     CLOUD_CONNECTORS: $CLOUD_CONNECTORS
 }