chore(ci): add dae docker build

.github/workflows/dae-docker-build.yml

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+# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
+# https://github.com/daeuniverse/dae/blob/main/.github/workflows/docker.yml
+
+name: "Build dae Docker image"
+
+on: 
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    paths:
+      - "dae/docker"
+      - ".github/workflows/dae-docker-build.yml"
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push Docker images to ghcr.io
+        uses: docker/build-push-action@v4
+        with:
+          context: dae
+          file: ./dae/docker/Dockerfile
+          builder: ${{ steps.buildx.outputs.name }}
+          platforms: linux/arm/v7,linux/arm64,linux/amd64,linux/386
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/dae:v0.6.0
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/dae:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

dae/docker/Dockerfile

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+# https://github.com/daeuniverse/dae/blob/main/Dockerfile
+# https://github.com/tailscale/tailscale/blob/main/Dockerfile
+
+FROM golang:1.22-bookworm AS build-env
+
+WORKDIR /build/
+
+RUN apt-get update \
+ && apt-get install -y llvm-15 clang-15 git make
+ENV CLANG=clang-15
+
+RUN git clone -b 'v0.6.0' --single-branch --depth 1 --recurse-submodules https://github.com/daeuniverse/dae.git . \
+ && go mod download \
+ && make OUTPUT=dae GOFLAGS="-buildvcs=false" CC=clang CGO_ENABLED=0
+
+FROM alpine:3.18
+
+RUN mkdir -p /usr/local/share/dae/ /etc/dae/ \
+ && wget -O /usr/local/share/dae/geoip.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat \
+ && wget -O /usr/local/share/dae/geosite.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat \
+ #&& apk add --no-cache ca-certificates iptables iproute2 ip6tables \
+ && command -v nft >/dev/null || apk add --no-cache nftables
+
+COPY --from=build-env /build/dae /usr/local/bin
+COPY --from=build-env /build/install/empty.dae /etc/dae/config.dae
+RUN chmod 0600 /etc/dae/config.dae
+
+ENTRYPOINT ["dae", "run", "-c", "/etc/dae/config.dae"]