diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
new file mode 100644
index 0000000..9cc5fa9
--- /dev/null
+++ b/.github/workflows/build.yaml
@@ -0,0 +1,84 @@
+name: Build & Push OCI Image to OCI Image Registry
+
+on:
+  workflow_call:
+    inputs:
+      workdirs:
+        required: true
+        type: string
+      images:
+        required: true
+        type: string
+    secrets:
+      ghcr-username:
+        required: true
+      ghcr-access-token:
+        required: true
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build:
+    continue-on-error: true
+    strategy:
+      matrix: # REFS: https://github.community/t/reusable-workflow-with-strategy-matrix/205676
+        workdir: ${{ fromJSON(inputs.workdirs) }}
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check Out Repository
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+
+      - name: Set up QEMU for Docker Buildx
+        uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@885d1462b80bc1c1c7f0b00334ad271f09369c55 # v2.10.0
+
+      - name: Set up Node.js for extracting recipe from Dockerfile
+        uses: actions/setup-node@1a4442cacd436585916779262731d5b162bc6ec7 # v3.8.2
+
+      - name: Extract recipe from Dockerfile
+        id: recipe
+        run: |
+          TAGS=`npm exec -sy @hazmi35/extract-docker-baseimg-recipe ${{ matrix.workdir }}/Dockerfile tags`
+          PLATFORMS=`npm exec -sy @hazmi35/extract-docker-baseimg-recipe ${{ matrix.workdir }}/Dockerfile platforms`
+          VARIANT=`npm exec -sy @hazmi35/extract-docker-baseimg-recipe ${{ matrix.workdir }}/Dockerfile variant`
+          echo TAGS: $TAGS
+          echo PLATFORMS: $PLATFORMS
+          echo VARIANT: $VARIANT
+          echo "::set-output name=tags::${TAGS//$', '/'%0A'}"
+          echo "::set-output name=platforms::${PLATFORMS//$', '/'%0A'}"
+          echo "::set-output name=variant::$VARIANT"
+
+      - name: Generate Docker image metadata
+        uses: docker/metadata-action@818d4b7b91585d195f67373fd9cb0332e31a7175 # v4.6.0
+        id: meta
+        with:
+          images: ${{ inputs.images }}
+          tags: |
+            ${{ steps.recipe.outputs.tags }}
+
+      - name: Login to GitHub Container Registry
+        if: ${{ github.event_name != 'pull_request' }}
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc # v2.2.0
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.ghcr-username }}
+          password: ${{ secrets.ghcr-access-token }}
+
+      - name: Build and push the Docker image from the specified Dockerfile
+        id: docker_build
+        uses: docker/build-push-action@1104d471370f9806843c095c1db02b5a90c5f8b6 # v3.3.1
+        with:
+          context: .
+          file: ./${{ matrix.workdir }}/Dockerfile
+          platforms: |
+            ${{ steps.recipe.outputs.platforms }}
+          push: ${{ github.event_name == 'push' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/.github/workflows/postgres-16.yaml b/.github/workflows/postgres-16.yaml
new file mode 100644
index 0000000..a865f86
--- /dev/null
+++ b/.github/workflows/postgres-16.yaml
@@ -0,0 +1,30 @@
+name: Build & Push Postgres 16 OCI Image to OCI Image Registry
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "16/Dockerfile"
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "16/Dockerfile"
+
+jobs:
+  workdirs:
+    uses: ./.github/workflows/specify-workdir.yaml
+    with:
+      base-dir: 18
+
+  image:
+    uses: ./.github/workflows/build.yaml
+    needs: workdirs
+    with:
+      workdirs: '["16"]'
+      images: |
+        ghcr.io/takodotid/postgres
+    secrets:
+      ghcr-username: ${{ github.repository_owner }}
+      ghcr-access-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/Dockerfile b/16/Dockerfile
similarity index 100%
rename from Dockerfile
rename to 16/Dockerfile