diff --git a/shared/src/constants.ts b/shared/src/constants.ts
index da1d5bc0..556cc037 100644
--- a/shared/src/constants.ts
+++ b/shared/src/constants.ts
@@ -1,14 +1,16 @@
-export const baseURL =
-    (window as any).BASE_URL === '{{BASE_URL}}'
-        ? 'http://localhost:8080/'
-        : (window as any).BASE_URL;
-export const juteURL =
-    (window as any).JUTE_URL === '{{JUTE_URL}}'
-        ? 'http://localhost:8099/'
-        : (window as any).JUTE_URL;
+function getConfig(key: string, defaultValue: string) {
+    const value = (window as any)[key];
+    if (value === '{{' + key + '}}' || value === null || value === undefined) {
+        return defaultValue;
+    }
+    return value;
+}
 
-export const aiQuestionnaireBuilderUrl = 'https://builder.emr.beda.software';
-// export const aiQuestionnaireBuilderUrl = 'http://localhost:3002';
-export const fhirpathMappingUrl = 'https://fhirpathmapper.emr.beda.software';
-// export const fhirpathMappingUrl = 'http://localhost:8091';
-export const fhirMappingLanguageUrl = 'http://localhost:8084/matchboxv3/fhir'
+export const baseURL = getConfig('BASE_URL', 'http://localhost:8080');
+export const juteURL = getConfig('JUTE_URL', 'http://localhost:8099');
+export const aiQuestionnaireBuilderUrl = getConfig('AI_BUILDER_URL', 'http://localhost:3002');
+export const fhirMappingLanguageUrl = getConfig(
+    'FHIR_MAPPING_LANGUAGE_URL',
+    'http://localhost:8084/matchboxv3/fhir',
+);
+export const fhirpathMappingUrl = getConfig('FHIRPATH_MAPPING_URL', 'http://localhost:8091');
diff --git a/web/public/docker_entrypoint.sh b/web/public/docker_entrypoint.sh
index d780e5ed..2d9bdf70 100755
--- a/web/public/docker_entrypoint.sh
+++ b/web/public/docker_entrypoint.sh
@@ -1,6 +1,10 @@
 #!/bin/sh -e
-sed s/{{BASE_URL}}/$BASE_URL/g index.html > index2.html
-sed s/{{JUTE_URL}}/$JUTE_URL/g index2.html > index3.html
-mv index3.html index.html
+sed -i \
+    -e s/{{BASE_URL}}/$BASE_URL/g \
+    -e s/{{JUTE_URL}}/$JUTE_URL/g \
+    -e s/{{AI_BUILDER_URL}}/$AI_BUILDER_URL/g \
+    -e s/{{FHIR_MAPPING_LANGUAGE_URL}}/$FHIR_MAPPING_LANGUAGE_URL/g \
+    -e s/{{FHIRPATH_MAPPING_URL}}/$FHIRPATH_MAPPING_URL/g \
+    index.html
 
 serve -n -s -l tcp://0.0.0.0:5000
diff --git a/web/public/index.html b/web/public/index.html
index c3328850..f51f64a7 100644
--- a/web/public/index.html
+++ b/web/public/index.html
@@ -5,6 +5,9 @@
     <script>
     window.BASE_URL = "{{BASE_URL}}"
     window.JUTE_URL = "{{JUTE_URL}}"
+    window.AI_BUILDER_URL = "{{AI_BUILDER_URL}}"
+    window.FHIR_MAPPING_LANGUAGE_URL= "{{FHIR_MAPPING_LANGUAGE_URL}}"
+    window.FHIRPATH_MAPPING_URL= "{{FHIRPATH_MAPPING_URL}}"
     </script>
     <link rel="icon" href="/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
@@ -36,4 +39,4 @@
       To create a production bundle, use `npm run build` or `yarn build`.
     -->
   </body>
-</html>
\ No newline at end of file
+</html>