diff --git a/.github/workflows/mq-cpp.yaml b/.github/workflows/mq-cpp.yaml
index 657bf9fc..2a6f0be8 100644
--- a/.github/workflows/mq-cpp.yaml
+++ b/.github/workflows/mq-cpp.yaml
@@ -41,6 +41,19 @@ jobs:
           registry_user: ${{ github.actor }}
           registry_pass: ${{ secrets.GITHUB_TOKEN }}
 
+  build-telemetry-postgres:
+    if: true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: "./.github/actions/build-image"
+        with:
+          image: postgres
+          dir: telemetry
+          registry: ghcr.io/${{ github.repository_owner }}
+          registry_user: ${{ github.actor }}
+          registry_pass: ${{ secrets.GITHUB_TOKEN }}
+
   build-producer-cpp-dev:
     if: true
     needs: build-base-debian
@@ -76,6 +89,7 @@ jobs:
     needs:
       - build-producer-cpp
       - build-postgres
+      - build-telemetry-postgres
     uses: ./.github/workflows/mq-run-test.yaml
     with:
       name: cpp
diff --git a/.github/workflows/mq-golang.yaml b/.github/workflows/mq-golang.yaml
index 49e8b085..5a139e00 100644
--- a/.github/workflows/mq-golang.yaml
+++ b/.github/workflows/mq-golang.yaml
@@ -41,6 +41,19 @@ jobs:
           registry_user: ${{ github.actor }}
           registry_pass: ${{ secrets.GITHUB_TOKEN }}
 
+  build-telemetry-postgres:
+    if: true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: "./.github/actions/build-image"
+        with:
+          image: postgres
+          dir: telemetry
+          registry: ghcr.io/${{ github.repository_owner }}
+          registry_user: ${{ github.actor }}
+          registry_pass: ${{ secrets.GITHUB_TOKEN }}
+
   build-producer-golang-dev:
     if: true
     needs: build-base-debian
@@ -76,6 +89,7 @@ jobs:
     needs:
       - build-producer-golang
       - build-postgres
+      - build-telemetry-postgres
     uses: ./.github/workflows/mq-run-test.yaml
     with:
       name: golang
diff --git a/.github/workflows/mq-haskell.yaml b/.github/workflows/mq-haskell.yaml
index b89f3110..8f7b28fc 100644
--- a/.github/workflows/mq-haskell.yaml
+++ b/.github/workflows/mq-haskell.yaml
@@ -42,6 +42,19 @@ jobs:
           registry_user: ${{ github.actor }}
           registry_pass: ${{ secrets.GITHUB_TOKEN }}
 
+  build-telemetry-postgres:
+    if: true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: "./.github/actions/build-image"
+        with:
+          image: postgres
+          dir: telemetry
+          registry: ghcr.io/${{ github.repository_owner }}
+          registry_user: ${{ github.actor }}
+          registry_pass: ${{ secrets.GITHUB_TOKEN }}
+
   build-base-haskell:
     if: true
     needs: build-base-debian
@@ -92,6 +105,7 @@ jobs:
     needs:
       - build-producer-haskell
       - build-postgres
+      - build-telemetry-postgres
     uses: ./.github/workflows/mq-run-test.yaml
     with:
       name: haskell
diff --git a/.github/workflows/mq-python.yaml b/.github/workflows/mq-python.yaml
index 0649ec07..bd04a8f8 100644
--- a/.github/workflows/mq-python.yaml
+++ b/.github/workflows/mq-python.yaml
@@ -41,6 +41,19 @@ jobs:
           registry_user: ${{ github.actor }}
           registry_pass: ${{ secrets.GITHUB_TOKEN }}
 
+  build-telemetry-postgres:
+    if: true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: "./.github/actions/build-image"
+        with:
+          image: postgres
+          dir: telemetry
+          registry: ghcr.io/${{ github.repository_owner }}
+          registry_user: ${{ github.actor }}
+          registry_pass: ${{ secrets.GITHUB_TOKEN }}
+
   build-producer-python-dev:
     if: true
     needs: build-base-debian
@@ -76,6 +89,7 @@ jobs:
     needs:
       - build-producer-python
       - build-postgres
+      - build-telemetry-postgres
     uses: ./.github/workflows/mq-run-test.yaml
     with:
       name: python
diff --git a/.github/workflows/mq-run-test.yaml b/.github/workflows/mq-run-test.yaml
index 9c00c418..1d266d96 100644
--- a/.github/workflows/mq-run-test.yaml
+++ b/.github/workflows/mq-run-test.yaml
@@ -37,10 +37,24 @@ jobs:
           --health-interval 5s
           --health-timeout 1s
           --health-retries 5
+
+      telemetry-postgres:
+        image: ghcr.io/${{ github.repository_owner }}/code-golf_telemetry_postgres:${{ inputs.pg_tag }}
+        credentials:
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+        env:
+          POSTGRES_HOST_AUTH_METHOD: trust
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 5s
+          --health-timeout 1s
+          --health-retries 5
     steps:
       - name: make check
         env:
           PG_TEST_DSN: postgres-test:5432
+          TEST_TELEMETRY_POSTGRES: telemetry-postgres:5432
           # I have no idea why github sets HOME=/github/home. Its root owned
           # and there is nothing useful. Hypothetically it could be a volume
           # (related to /__w (workdir)) and share data between the host and
diff --git a/.github/workflows/mq-rust.yaml b/.github/workflows/mq-rust.yaml
index b8f3bf06..60ec2b6e 100644
--- a/.github/workflows/mq-rust.yaml
+++ b/.github/workflows/mq-rust.yaml
@@ -28,6 +28,19 @@ jobs:
           registry_user: ${{ github.actor }}
           registry_pass: ${{ secrets.GITHUB_TOKEN }}
 
+  build-telemetry-postgres:
+    if: true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: "./.github/actions/build-image"
+        with:
+          image: postgres
+          dir: telemetry
+          registry: ghcr.io/${{ github.repository_owner }}
+          registry_user: ${{ github.actor }}
+          registry_pass: ${{ secrets.GITHUB_TOKEN }}
+
   build-base-debian-testing:
     if: true
     runs-on: ubuntu-latest
@@ -76,6 +89,7 @@ jobs:
     needs:
       - build-producer-rust
       - build-postgres
+      - build-telemetry-postgres
     uses: ./.github/workflows/mq-run-test.yaml
     with:
       name: rust