setup rainix docker

.github/workflows/rainix-docker.yml

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+name: Docker image CI
+
+on:
+  push:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to give the build. Try to make it unique.'
+        required: true
+
+env:
+  CHANNEL: ${{ inputs.tag || github.head_ref || github.ref_name }}
+  DOCKER_BUILDKIT: 1
+  COMPOSE_DOCKER_CLI_BUILD: 1
+  TAG_BASE: rainprotocol/pyth-crosschain
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          fetch-depth: 0
+
+      - name: Install Nix 1/2
+        uses: DeterminateSystems/nix-installer-action@main
+        with:
+          determinate: true
+      - name: Install Nix 2/2
+        uses: DeterminateSystems/flakehub-cache-action@main
+
+      - name: Install deps
+        run: nix develop -c pnpm install --frozen-lockfile
+
+      - name: Build Price Pusher
+        run: nix develop -c pnpm turbo build --filter @pythnetwork/price-pusher
+
+      - uses: docker/setup-buildx-action@v2
+      - uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - run: |
+          rm .dockerignore
+          docker build -t "$TAG_BASE:$CHANNEL" --build-arg GIT_SHA=${{ github.sha }} --build-arg DOCKER_CHANNEL=$CHANNEL .
+      - run: |
+          docker push "$TAG_BASE:$CHANNEL"

Dockerfile

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+FROM node:22.14
+
+# set git sha and docker tag form build time arg to run time env in container
+ARG GIT_SHA
+ARG DOCKER_CHANNEL
+ENV GIT_COMMIT=$GIT_SHA
+ENV DOCKER_TAG=$DOCKER_CHANNEL
+
+WORKDIR /price-pusher
+ADD . .
+
+WORKDIR apps/price_pusher
+CMD ["bash", "-c", "npm run start evm -- \
+    --price-config-file ./price-config.stable.sample.yaml \
+    --endpoint \"${ENDPOINT}\" \
+    --pyth-contract-address \"${PYTH_CONTRACT_ADDRESS}\" \
+    --price-service-endpoint \"${PRICE_SERVICE_ENDPOINT}\" \
+    --mnemonic-file <(echo \"${MNEMONIC}\") \
+    --pushing-frequency \"${PUSHING_FREQUENCY:-300}\" \
+    --polling-frequency \"${POLLING_FREQUENCY:-5}\" \
+    --override-gas-price-multiplier \"${GAS_PRICE_MULTIPLIER:-1.1}\""]