From 075c84c285dcfeca134cb47ff7b8090658d71c35 Mon Sep 17 00:00:00 2001
From: TilDoesCode <101829168+TilDoesCode@users.noreply.github.com>
Date: Tue, 28 Oct 2025 18:45:01 +0100
Subject: [PATCH 1/3] Add warning for development environment usage

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index d4b6a15..f3419e6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+# WARNING: This must only be used in development enviroments!!!
+# In production envs the databases must be created manually
 # Using multiple databases with the official PostgreSQL Docker image
 
 The [official recommendation](https://hub.docker.com/_/postgres/) for creating

From 9306dbbb7038822d7c5b7ca051d6f7bffd5393f6 Mon Sep 17 00:00:00 2001
From: TilDoesCode <101829168+TilDoesCode@users.noreply.github.com>
Date: Tue, 28 Oct 2025 18:46:51 +0100
Subject: [PATCH 2/3] Update docker-publish.yml workflow triggers

Removed tag publishing and pull request triggers.
---
 .github/workflows/docker-publish.yml | 94 ++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 .github/workflows/docker-publish.yml

diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
new file mode 100644
index 0000000..2cba038
--- /dev/null
+++ b/.github/workflows/docker-publish.yml
@@ -0,0 +1,94 @@
+name: Docker
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+on:
+  schedule:
+    - cron: '33 10 * * *'
+  push:
+    branches: [ "master" ]
+
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # Install the cosign tool except on PR
+      # https://github.com/sigstore/cosign-installer
+      - name: Install cosign
+        if: github.event_name != 'pull_request'
+        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 #v3.5.0
+        with:
+          cosign-release: 'v2.2.4'
+
+      # Set up BuildKit Docker container builder to be able to build
+      # multi-platform images and export cache
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      # Sign the resulting Docker image digest except on PRs.
+      # This will only write to the public Rekor transparency log when the Docker
+      # repository is public to avoid leaking data.  If you would like to publish
+      # transparency data even for private images, pass --force to cosign below.
+      # https://github.com/sigstore/cosign
+      - name: Sign the published Docker image
+        if: ${{ github.event_name != 'pull_request' }}
+        env:
+          # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
+          TAGS: ${{ steps.meta.outputs.tags }}
+          DIGEST: ${{ steps.build-and-push.outputs.digest }}
+        # This step uses the identity token to provision an ephemeral certificate
+        # against the sigstore community Fulcio instance.
+        run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}

From 071c49b3f7a338eff485c4bee511a98f8d4bd42a Mon Sep 17 00:00:00 2001
From: TilDoesCode <101829168+TilDoesCode@users.noreply.github.com>
Date: Tue, 28 Oct 2025 18:58:14 +0100
Subject: [PATCH 3/3] Update Dockerfile

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index ee9c3d0..3e4817c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,2 @@
-FROM postgres:9.6
+FROM postgres:18
 COPY create-multiple-postgresql-databases.sh /docker-entrypoint-initdb.d/