diff --git a/.gitignore b/.gitignore
index 52b72433a..00531b87f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,4 +15,5 @@ web-build/
 # macOS
 .DS_Store*
 .env*
-environment.js
\ No newline at end of file
+environment.js
+scripts/dynamic-env/app.secrets.json
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8674f3b2e..cda9e3fc0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,12 +4,6 @@ All notable changes to this project will be documented in this file. See [standa
 
 ## [10.3.0](https://github.com/hopetambala/puente-reactnative-collect/compare/v10.1.4...v10.3.0) (2021-01-09)
 
-## [10.2.0](https://github.com/hopetambala/puente-reactnative-collect/compare/v10.1.4...v10.2.0) (2021-01-09)
-
-### [10.1.4](https://github.com/hopetambala/puente-reactnative-collect/compare/v10.1.3...v10.1.4) (2021-01-09)
-
-## [10.1.0](https://github.com/hopetambala/puente-reactnative-collect/compare/v10.0.0...v10.1.0) (2021-01-09)
-
 
 ### New Features
 
diff --git a/package.json b/package.json
index af04d6e21..ebadc2a51 100644
--- a/package.json
+++ b/package.json
@@ -15,9 +15,10 @@
     "testDebug": "jest -o --watch --coverage=false",
     "lint": "./node_modules/.bin/eslint '**/*.{js,jsx}' --quiet",
     "lint-fix": "./node_modules/.bin/eslint '**/*.{js,jsx}' --fix",
-    "publish-staging": "expo build:ios --release-channel staging && expo build:android --release-channel staging",
-    "publish-prod": "expo build:ios --release-channel prod && expo build:android --release-channel prod",
-    "upload": "expo upload:ios --latest && expo upload:android --latest",
+    "prepublish": "node scripts/dynamic-env/generate-env-app-json.js > app.generated.json",
+    "publish-staging": "npm run prepublish && expo build:ios --config app.generated.json --release-channel staging && expo build:android --config app.generated.json --release-channel staging",
+    "publish-prod": "npm run prepublish && expo build:ios --config app.generated.json --release-channel prod && expo build:android --config app.generated.json --release-channel prod",
+    "upload": "expo upload:ios --config app.generated.json --latest && expo upload:android --config app.generated.json --latest && rm -rf app.generated.json",
     "gh-prune": "git fetch -p && for branch in `git branch -vv | grep ': gone]' | awk '{print $1}'`; do git branch -D $branch; done",
     "release-patch": "npx standard-version --release-as patch",
     "release-minor": "npx standard-version --release-as minor",
@@ -93,4 +94,4 @@
     "standard-version-expo": "1.0.3"
   },
   "private": true
-}
+}
\ No newline at end of file
diff --git a/scripts/dynamic-env/app.secrets-example.json b/scripts/dynamic-env/app.secrets-example.json
new file mode 100644
index 000000000..990f529af
--- /dev/null
+++ b/scripts/dynamic-env/app.secrets-example.json
@@ -0,0 +1,15 @@
+{
+  "expo": {
+    "ios": {
+      "bundleIdentifier": "SECRET_BUNDLE_IDENTIFIER"
+    },
+    "android": {
+      "package": "PACKAGE_NAME",
+      "config": {
+        "googleMaps": {
+          "apiKey": "YOUR_GOOGLE_API_KEY"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/scripts/dynamic-env/generate-env-app-json.js b/scripts/dynamic-env/generate-env-app-json.js
new file mode 100644
index 000000000..bd3ffd771
--- /dev/null
+++ b/scripts/dynamic-env/generate-env-app-json.js
@@ -0,0 +1,5 @@
+const merge = require("deepmerge")
+const baseAppJson = require("../../app.json")
+const override = require("./app.secrets.json")
+const merged = merge.all([baseAppJson, override])
+console.log(JSON.stringify(merged, null, 2))
\ No newline at end of file