feat: set up ubuntu base image build

.forgejo/workflows/ci.yml

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+on:
+  push:
+    tags:
+      - "v*"
+
+env:
+  REGISTRY_ENDPOINT: host.containers.internal:5000
+
+jobs:
+  build-images:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image-name: ['ubuntu-2204']
+    steps:
+      - uses: actions/checkout@v4
+      - name: Login to Registry
+        run: podman login -u ${{ secrets.REGISTRY_USER }} -p ${{ secrets.REGISTRY_TOKEN }} ${{ env.REGISTRY_ENDPOINT }}
+      - name: Build image (${{ matrix.image-name }})
+        run: ./script/build-image.sh ${{ matrix.image-name }}

images/ubuntu-2204/Dockerfile

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+FROM ubuntu:22.04 as skeleton
+
+ENV NODE_VERSION="20.12.2"
+
+RUN apt update && \
+        apt upgrade -y && \
+        apt install -y \
+            curl \
+            podman \
+            jq \
+            git \
+            xz-utils \
+            ca-certificates \
+            unzip \
+            --no-install-recommends \
+            --autoremove
+
+FROM skeleton as build
+
+WORKDIR tmp
+
+RUN curl https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.xz \
+            --output /tmp/node-v$NODE_VERSION-linux-x64.tar.xz && \
+        tar -xf /tmp/node-v$NODE_VERSION-linux-x64.tar.xz
+
+FROM skeleton as runner
+
+WORKDIR /runner
+
+COPY --from=build /tmp/node-v$NODE_VERSION-linux-x64/bin/* /bin/
+COPY --from=build /tmp/node-v$NODE_VERSION-linux-x64/lib/* /lib/
+
+COPY ./files/registries.conf /etc/containers/registries.conf

images/ubuntu-2204/files/registries.conf

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+[[registry]]
+insecure = true
+location = "host.containers.internal:5000"

script/build-image.sh

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+#!/bin/bash
+
+image_name=$1
+
+if [[ -z $image_name ]]; then
+    echo "An image name must be provided."
+    return
+fi
+
+image_tag=$(./script/get-tag.sh)
+
+(
+    cd "images/$image_name"
+    podman build -t "$image_name:$image_tag" -f ./Dockerfile
+)

script/get-tag.sh

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+#!/bin/bash
+
+has_changes=$(git status --short)
+head_sha=$(git rev-parse --short HEAD)
+
+tag=$head_sha
+
+if [[ -n $has_changes ]]; then
+    tag="$tag-dev"
+fi
+
+echo "$tag"