Initial builds

.forgejo/workflows/build.yml

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+on:
+  push:
+  pull_request:
+  release:
+    types:
+      - published
+      - prereleased
+  workflow_dispatch:
+
+jobs:
+  collect:
+    name: Collect all images
+    runs-on: podman
+    outputs:
+      matrix: ${{ steps.generate-list.ouputs.matrix }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Generate list
+        id: generate-list
+        shell: bash
+        run: |
+          echo matrix="$(ls | jq -Rn '[inputs]')" >> "${GITHUB_OUTPUT}"
+
+  build:
+    name: Build all images
+    runs-on: podman
+    needs: collect
+    matrix:
+      image: "${{ fromJson( needs.collect.outputs.matrix ) }}"
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Build image
+        shell: bash
+        run: |
+          cd "${{ matrix.image }}"
+          podman build --rm -t "${{ matrix.image }}" .

ubuntu:20.04

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+ubuntu:latest/

ubuntu:latest/Containerfile

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+FROM ubuntu:latest
+
+RUN apt update && apt -y install \
+    git \
+    nodejs \
+    bash && \
+    apt clean all