fix: add host to firebase.json

Author: cabljac

.github/workflows/repro.yml

@@ -0,0 +1,48 @@
+name: Repro
+
+on:
+  workflow_dispatch:
+
+jobs:
+  repro:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Setup Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Install Firebase CLI
+        run: npm i -g firebase-tools@latest
+
+      - name: Create minimal firebase.json (dataconnect only)
+        run: |
+          cat > firebase.json <<'JSON'
+          {
+            "emulators": {
+              "dataconnect": { "port": 9155 }
+            }
+          }
+          JSON
+          cat firebase.json
+
+      - name: Repro — start Data Connect emulator
+        run: |
+          set -euxo pipefail
+          firebase --version
+          firebase emulators:exec \
+            --project demo-test-project \
+            --only dataconnect \
+            --debug \
+            "node -e \"setTimeout(()=>{}, 15000)\""

.github/workflows/tests.yaml

@@ -15,7 +15,7 @@ concurrency:
 
 jobs:
   quality:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
       - name: Checkout
@@ -50,7 +50,7 @@ jobs:
         run: pnpm format
 
   test:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     timeout-minutes: 30
     needs: quality
     strategy:
@@ -88,8 +88,8 @@ jobs:
 
       - name: Install Java
         run: |
-          brew install openjdk@17
-          sudo ln -sfn /usr/local/opt/openjdk@17/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk-17.jdk
+          sudo apt-get update
+          sudo apt-get install -y openjdk-17-jdk
           java -version
 
       - name: Cache Firebase emulators

firebase.json

@@ -13,7 +13,8 @@
       "port": 9000
     },
     "dataconnect": {
-      "port": 9399
+      "port": 9399,
+      "host": "127.0.0.1"
     },
     "ui": {
       "enabled": true