From 4cf681ce5713be1db86ca7066ea38ba9cfe93d48 Mon Sep 17 00:00:00 2001
From: Nikolaos Karaolidis <nick@karaolidis.com>
Date: Sun, 14 Sep 2025 15:54:59 +0100
Subject: [PATCH] Add builder workflow

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>
---
 builder.yaml | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 builder.yaml

diff --git a/builder.yaml b/builder.yaml
new file mode 100644
index 0000000..0407bff
--- /dev/null
+++ b/builder.yaml
@@ -0,0 +1,39 @@
+name: Build Builder Image
+
+on:
+  workflow_call:
+    inputs:
+      image:
+        description: "Full image name to build and push"
+        required: true
+        type: string
+
+    secrets:
+      registry_user:
+        required: true
+
+      registry_password:
+        required: true
+
+jobs:
+  builder:
+    runs-on: nix
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Log In to Registry
+        run: |
+          buildah login --username "${{ secrets.registry_user }}" --password "${{ secrets.registry_password }}" "$(echo "${{ inputs.image }}" | cut -d/ -f1)"
+
+      - name: Pull Builder Cache
+        run: |
+          buildah pull ${{ inputs.image }} || true
+
+      - name: Build Builder Image
+        run: |
+          buildah build --layers -f .gitea/Containerfile -t ${{ inputs.image }} .
+
+      - name: Push Builder Image
+        run: |
+          skopeo copy containers-storage:${{ inputs.image }} docker://${{ inputs.image }}