patch: migrate to gitea actions (#14)

Co-authored-by: Madison Grubb <madison@elastiflow.com>
Reviewed-on: #14

.gitea/workflows/push.yml

@@ -0,0 +1,59 @@
+name: Push
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  release-docker-helm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          token: ${{ secrets.GITEA_REPO_TOKEN }}
+
+      - name: Release (bump, tag, push, create release)
+        env:
+          CI_REPO_OWNER: ${{ github.actor }}
+          CI_REPO_NAME: ${{ github.event.repository.name }}
+          CI_FORGE_URL: ${{ github.server_url }}
+          CI_COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
+          GITEA_REPO_TOKEN: ${{ secrets.GITEA_REPO_TOKEN }}
+        run: |
+          sudo apt-get update -qq && sudo apt-get install -y -qq git wget
+          ./scripts/release.sh
+
+      - name: Log in to container registry
+        run: |
+          REGISTRY="${GITHUB_SERVER_URL#https://}"
+          echo "${{ secrets.GITEA_REGISTRY_TOKEN }}" | docker login "$REGISTRY" -u "${{ github.actor }}" --password-stdin
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          load: true
+          tags: kestrelos:built
+
+      - name: Push Docker image (all tags from .tags)
+        run: |
+          REGISTRY="${GITHUB_SERVER_URL#https://}"
+          IMAGE="$REGISTRY/${{ github.repository }}"
+          while read -r tag; do
+            docker tag kestrelos:built "$IMAGE:$tag"
+            docker push "$IMAGE:$tag"
+          done < .tags
+
+      - name: Package and push Helm chart
+        env:
+          GITEA_REGISTRY_TOKEN: ${{ secrets.GITEA_REGISTRY_TOKEN }}
+        run: |
+          curl -sSfL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
+          helm package helm/kestrelos
+          for f in kestrelos-*.tgz; do
+            curl -sf -u "${{ github.actor }}:$GITEA_REGISTRY_TOKEN" -X POST --upload-file "$f" \
+              "${{ github.server_url }}/api/packages/${{ github.actor }}/helm/api/charts"
+          done