ci: add docker jobs

.gitea/scripts/push-image.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+REGISTRY="${REGISTRY#https://}"
+REGISTRY="${REGISTRY#http://}"
+REGISTRY="${REGISTRY%/}"
+
+IMAGE="${REGISTRY}/${REPOSITORY}:${TAG}"
+
+echo "Pushing ${IMAGE}"
+
+skopeo copy \
+  --dest-creds "${USERNAME}:${PASSWORD}" \
+  "docker-archive:result" \
+  "docker://${IMAGE}"
+
+if [ "${GITEA_REF_TYPE:-}" = "branch" ] && [ "${GITEA_REF_NAME:-}" = "main" ]; then
+  skopeo copy \
+    --dest-creds "${USERNAME}:${PASSWORD}" \
+    "docker-archive:result" \
+    "docker://${REGISTRY}/${REPOSITORY}:latest"
+fi

.gitea/workflows/docker.yaml

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+name: Build docker images.
+
+on:
+  push:
+
+jobs:
+  build-wordle-solver-image:
+    runs-on: nixos
+
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Build wordle-solver image
+        run: |
+          nix build .#wordle-solver-docker
+
+      - name: Push image
+        env:
+          REGISTRY: "${{ gitea.server_url }}"
+          REPOSITORY: "${{ gitea.repository }}"
+          USERNAME: "${{ secrets.REGISTRY_USER }}"
+          PASSWORD: "${{ secrets.REGISTRY_TOKEN }}"
+          TAG: "${{ gitea.sha }}"
+        run: .gitea/scripts/push-image.sh
+
+  build-wordle-solver-web-image:
+    runs-on: nixos
+
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Build wordle-solver-web image
+        run: |
+          nix build .#wordle-solver-web-docker
+
+      - name: Push image
+        env:
+          REGISTRY: "${{ gitea.server_url }}"
+          REPOSITORY: "${{ gitea.repository }}-web"
+          USERNAME: "${{ secrets.REGISTRY_USER }}"
+          PASSWORD: "${{ secrets.REGISTRY_TOKEN }}"
+          TAG: "${{ gitea.sha }}"
+        run: .gitea/scripts/push-image.sh