feat: workflow for publishing docker image (#7)

.github/workflows/publish-docker.yml

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+name: Create and publish a Docker image
+
+on:
+  push:
+    branches: ["main"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+FROM denoland/deno:latest
+
+ARG POLKADOT_VERSION=v0.9.37
+ARG POLKADOT_PARACHAIN_VERSION=v0.9.370
+ARG ZOMBIENET_VERSION=v1.3.37
+ARG SUBSTRATE_CONTRACTS_NODE_VERSION=v0.24.0
+
+ENV PATH=${DENO_INSTALL}/bin:${PATH} \
+    DENO_DIR=/home/vscode/.cache/deno
+ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium
+
+# Ripped from https://github.com/lucacasonato/deno-puppeteer/blob/main/Dockerfile
+RUN apt-get -qq update \
+    && apt-get -qq install -y --no-install-recommends \
+    curl \
+    ca-certificates \
+    unzip \
+    fonts-liberation \
+    libappindicator3-1 \
+    libasound2 \
+    libatk-bridge2.0-0 \
+    libatk1.0-0 \
+    libc6 \
+    libcairo2 \
+    libcups2 \
+    libdbus-1-3 \
+    libexpat1 \
+    libfontconfig1 \
+    libgbm1 \
+    libgcc1 \
+    libglib2.0-0 \
+    libgtk-3-0 \
+    libnspr4 \
+    libnss3 \
+    libpango-1.0-0 \
+    libpangocairo-1.0-0 \
+    libstdc++6 \
+    libx11-6 \
+    libx11-xcb1 \
+    libxcb1 \
+    libxcomposite1 \
+    libxcursor1 \
+    libxdamage1 \
+    libxext6 \
+    libxfixes3 \
+    libxi6 \
+    libxrandr2 \
+    libxrender1 \
+    libxss1 \
+    libxtst6 \
+    lsb-release \
+    wget \
+    xdg-utils \
+    libdrm2 \
+    libxkbcommon0 \
+    libxshmfence1 \
+    chromium
+
+RUN curl -fsSL https://dprint.dev/install.sh | DPRINT_INSTALL=/usr/local sh \
+    && PUPPETEER_PRODUCT=chrome deno run -A --unstable https://deno.land/x/puppeteer@16.2.0/install.ts \
+    && curl -fsSL -o /usr/local/bin/polkadot https://github.com/paritytech/polkadot/releases/download/${POLKADOT_VERSION}/polkadot \
+    && chmod +x /usr/local/bin/polkadot \
+    && curl -fsSL -o /usr/local/bin/polkadot-parachain https://github.com/paritytech/cumulus/releases/download/${POLKADOT_PARACHAIN_VERSION}/polkadot-parachain \
+    && chmod +x /usr/local/bin/polkadot-parachain \
+    && curl -fsSL -o /usr/local/bin/zombienet-linux-x64 https://github.com/paritytech/zombienet/releases/download/${ZOMBIENET_VERSION}/zombienet-linux-x64 \
+    && chmod +x /usr/local/bin/zombienet-linux-x64 \
+    && curl -fsSL https://github.com/paritytech/substrate-contracts-node/releases/download/${SUBSTRATE_CONTRACTS_NODE_VERSION}/substrate-contracts-node-linux.tar.gz | tar -zx \
+    && mv ./artifacts/substrate-contracts-node-linux/substrate-contracts-node /usr/local/bin/ \
+    && curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
+
+WORKDIR /trun
+COPY . .