diff --git a/.dockerignore b/.dockerignore
--- a/.dockerignore
+++ b/.dockerignore
@@ -15,6 +15,7 @@
 native
 !native/package.json
 !native/.flowconfig
+!native/postinstall.sh
 !native/ios/Podfile
 !native/ios/pod-patch
 !native/cpp/CommonCpp/grpc
diff --git a/keyserver/Dockerfile b/keyserver/Dockerfile
--- a/keyserver/Dockerfile
+++ b/keyserver/Dockerfile
@@ -105,7 +105,7 @@
 COPY --chown=comm keyserver/package.json keyserver/.flowconfig keyserver/
 COPY --chown=comm lib/package.json lib/.flowconfig lib/
 COPY --chown=comm web/package.json web/.flowconfig web/
-COPY --chown=comm native/package.json native/.flowconfig native/
+COPY --chown=comm native/package.json native/.flowconfig native/postinstall.sh native/
 COPY --chown=comm landing/package.json landing/.flowconfig landing/
 COPY --chown=comm desktop/package.json desktop/
 COPY --chown=comm keyserver/addons/opaque-ke-napi/package.json \
diff --git a/native/package.json b/native/package.json
--- a/native/package.json
+++ b/native/package.json
@@ -10,7 +10,7 @@
     "clean-android": "rm -rf android/build android/app/build android/app/.cxx",
     "clean-ios": "rm -rf ios/Pods/",
     "clean-all": "yarn clean && rm -rf ~/Library/Developer/Xcode/DerivedData/Comm-*; cd android && (./gradlew clean || true)",
-    "postinstall": "cd ../ && echo '{\"name\": \"olm\", \"version\": \"3.2.4\"}' > ./node_modules/olm/package.json && yarn patch-package && yarn flow-mono create-symlinks native && cd native && yarn jetify && ((cd ios && PATH=/usr/bin:\"$PATH\" pod install) || true)",
+    "postinstall": "bash ./postinstall.sh",
     "start": "yarn expo start --dev-client",
     "dev": "yarn start",
     "test": "yarn jest",
diff --git a/native/postinstall.sh b/native/postinstall.sh
new file mode 100644
--- /dev/null
+++ b/native/postinstall.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+# Skip Windows
+if [[ "$OSTYPE" == "msys" ]]; then
+  exit 0
+fi
+
+cd ../
+echo '{"name": "olm", "version": "3.2.4"}' > ./node_modules/olm/package.json
+yarn patch-package
+yarn flow-mono create-symlinks native
+
+cd native
+yarn jetify
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+  (cd ios && PATH=/usr/bin:"$PATH" pod install)
+fi