diff --git a/.github/workflows/test_upload_build_to_firebase.yml b/.github/workflows/test_upload_build_to_firebase.yml
index 39194acd..3ccdfb6c 100644
--- a/.github/workflows/test_upload_build_to_firebase.yml
+++ b/.github/workflows/test_upload_build_to_firebase.yml
@@ -50,7 +50,7 @@ jobs:
       run: sh make.sh --bundle-id co.nimblehq.ios.templates --bundle-id-staging co.nimblehq.ios.templates.staging --project-name TemplateApp --interface UIKit
 
     - name: Start Setup Script for Template App Firebase Upload
-      run: sh set_up_test_firebase.sh
+      run: cat Scripts/Swift/SetUpTestFirebase.swift Scripts/Swift/Extensions/FileManager+Utils.swift | swift -
       env:
         MATCH_REPO: ${{ secrets.MATCH_REPO }}
         STAGING_FIREBASE_APP_ID: ${{ secrets.STAGING_FIREBASE_APP_ID }}
diff --git a/Dangerfile b/Dangerfile
index 84cb7b02..c19fdcd9 100644
--- a/Dangerfile
+++ b/Dangerfile
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require './fastlane/Constants/Constants'
-
 # Warn when there is a big PR
 warn("This pull request is quite big (#{git.lines_of_code} lines changed), please consider splitting it into multiple pull requests.") if git.lines_of_code > 500
 
diff --git a/Scripts/Swift/Extensions/FileManager+Utils.swift b/Scripts/Swift/Extensions/FileManager+Utils.swift
index cda858de..c55c4e4a 100644
--- a/Scripts/Swift/Extensions/FileManager+Utils.swift
+++ b/Scripts/Swift/Extensions/FileManager+Utils.swift
@@ -42,4 +42,35 @@ extension FileManager {
             print("Error \(error)")
         }
     }
+
+    func replaceAllOccurrences(of original: String, to replacing: String) {
+        let files = try? allFiles(in: currentDirectoryPath)
+        guard let files else { return print("Cannot find any files in current directory") }
+        for file in files {
+            do {
+                let text = try String(contentsOf: file, encoding: .utf8)
+                let modifiedText = text.replacingOccurrences(of: original, with: replacing)
+                try modifiedText.write(to: file, atomically: true, encoding: .utf8)
+            } catch {
+                print(error.localizedDescription)
+            }
+        }
+    }
+
+    private func allFiles(in directory: String) throws -> [URL] {
+        let url = URL(fileURLWithPath: directory)
+        var files = [URL]()
+        if let enumerator = enumerator(
+            at: url, 
+            includingPropertiesForKeys: [.isRegularFileKey], 
+            options: [.skipsHiddenFiles, .skipsPackageDescendants]
+        ) {
+            for case let fileURL as URL in enumerator {
+                let fileAttributes = try? fileURL.resourceValues(forKeys:[.isRegularFileKey])
+                guard fileAttributes?.isRegularFile ?? false else { continue }
+                files.append(fileURL)
+            }
+        }
+        return files
+    }
 }
diff --git a/Scripts/Swift/SetUpCICDService.swift b/Scripts/Swift/SetUpCICDService.swift
index 35a22abb..bc8ab07b 100644
--- a/Scripts/Swift/SetUpCICDService.swift
+++ b/Scripts/Swift/SetUpCICDService.swift
@@ -43,7 +43,7 @@ case .codemagic:
     print("Setting template for CodeMagic")
     fileManager.removeItems(in: "bitrise.yml")
     fileManager.removeItems(in: ".github/workflows")
-case .later:
+case .later, .none:
     print("You can manually setup the template later.")
 }
 
diff --git a/Scripts/Swift/SetUpTestFirebase.swift b/Scripts/Swift/SetUpTestFirebase.swift
new file mode 100644
index 00000000..f7b36fbb
--- /dev/null
+++ b/Scripts/Swift/SetUpTestFirebase.swift
@@ -0,0 +1,16 @@
+let teamIdPlaceholder = "<#teamId#>"
+let stagingFirebaseAppIdPlaceholder = "<#stagingFirebaseAppId#>"
+let firebaseTesterGroupsPlaceholder = "<#group1#>, <#group2#>"
+let matchRepoPlaceholder = "git@github.com:{organization}/{repo}.git"
+
+let envMatchRepo = ProcessInfo.processInfo.environment["MATCH_REPO"] ?? ""
+let envStagingFirebaseAppId = ProcessInfo.processInfo.environment["STAGING_FIREBASE_APP_ID"] ?? ""
+let envTeamId = ProcessInfo.processInfo.environment["TEAM_ID"] ?? ""
+let firebaseTesterGroup = "nimble"
+
+let fileManager = FileManager.default
+
+fileManager.replaceAllOccurrences(of: teamIdPlaceholder, to: envTeamId)
+fileManager.replaceAllOccurrences(of: stagingFirebaseAppIdPlaceholder, to: envStagingFirebaseAppId)
+fileManager.replaceAllOccurrences(of: firebaseTesterGroupsPlaceholder, to: firebaseTesterGroup)
+fileManager.replaceAllOccurrences(of: matchRepoPlaceholder, to: envMatchRepo)
diff --git a/make.sh b/make.sh
index 3f8b6ef3..e9162149 100644
--- a/make.sh
+++ b/make.sh
@@ -215,13 +215,12 @@ git reset
 
 if [[ -z "${CI}" ]]; then
     rm -rf fastlane/Tests
-    rm -f set_up_test_firebase.sh
     rm -f set_up_test_testflight.sh
     cat Scripts/Swift/SetUpCICDService.swift Scripts/Swift/Extensions/FileManager+Utils.swift Scripts/Swift/Helpers/SafeShell.swift > t.swift && swift t.swift && rm -rf 't.swift'
     cat Scripts/Swift/SetUpDeliveryConstants.swift Scripts/Swift/Extensions/FileManager+Utils.swift Scripts/Swift/Helpers/SafeShell.swift > t.swift && swift t.swift && rm -rf 't.swift'
+    rm -rf Scripts
 fi
 
-rm -rf Scripts
 
 echo "✅  Completed"
 
diff --git a/set_up_test_firebase.sh b/set_up_test_firebase.sh
deleted file mode 100644
index e551f565..00000000
--- a/set_up_test_firebase.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-readonly CONSTANT_TEAM_ID="<#teamId#>"
-readonly CONSTANT_STAGING_FIREBASE_APP_ID="<#stagingFirebaseAppId#>"
-readonly CONSTANT_FIREBASE_TESTER_GROUPS="<#group1#>, <#group2#>"
-readonly CONSTANT_MATCH_REPO="git@github.com:{organization}\/{repo}.git"
-
-readonly WORKING_DIR=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
-MATCH_REPO_ESCAPED=$(echo "${MATCH_REPO//\//\\\/}")
-
-LC_ALL=C find $WORKING_DIR -type f -exec sed -i "" "s/$CONSTANT_TEAM_ID/$TEAM_ID/g" {} +
-LC_ALL=C find $WORKING_DIR -type f -exec sed -i "" "s/$CONSTANT_STAGING_FIREBASE_APP_ID/$STAGING_FIREBASE_APP_ID/g" {} +
-LC_ALL=C find $WORKING_DIR -type f -exec sed -i "" "s/$CONSTANT_FIREBASE_TESTER_GROUPS/nimble/g" {} +
-LC_ALL=C find $WORKING_DIR -type f -exec sed -i "" "s/$CONSTANT_MATCH_REPO/$MATCH_REPO_ESCAPED/g" {} +