Build images with cached Fil proof params

Build docker images with already donwloaded filecoin proof params for
well known sector sizes.

Author: masih

.github/workflows/publish-containers.yml renamed to .github/workflows/publish-lotus-containers.yml

@@ -0,0 +1,64 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*'
+  pull_request:
+
+jobs:
+  build:
+    name: Containers
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        lotus-version:
+          - v1.23.1
+          - v1.23.2
+          - v1.23.3
+          - v1.23.4-rc1
+        sector-size:
+          - '8388608'
+        platform:
+          - linux/amd64,linux/arm64
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          platforms: ${{ matrix.platform }}
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata for Lotus ${{ matrix.lotus-version }} Sector Size ${{ matrix.sector-size }}
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=raw,value=fil-proof-params-${{ matrix.lotus-version }}-${{ matrix.sector-size }}
+      - name: Build image for Lotus ${{ matrix.lotus-version }} Sector Size ${{ matrix.sector-size }}
+        uses: docker/build-push-action@v4
+        with:
+          context: proof-params-cache
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ matrix.platform }}
+          build-args: |
+            LOTUS_VERSION=${{ matrix.lotus-version }}
+            SECTOR_SIZE=${{ matrix.sector-size }}

.github/workflows/publish-proof-containers.yml

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+FROM golang:1.20-bullseye as paramfetch
+
+ARG LOTUS_VERSION
+ARG SECTOR_SIZE
+
+RUN go install github.com/filecoin-project/go-paramfetch/[email protected]
+
+WORKDIR /go/src/lotus
+RUN git clone --depth 1 --branch ${LOTUS_VERSION} https://github.com/filecoin-project/lotus .
+ENV FIL_PROOFS_PARAMETER_CACHE=/filecoin-proof-parameters
+RUN paramfetch ${SECTOR_SIZE} build/proof-params/parameters.json build/proof-params/srs-inner-product.json
+
+FROM scratch
+COPY --from=paramfetch /filecoin-proof-parameter /filecoin-proof-parameters