feat: Linux GitHub Actions runner with Tauri deps (Ubuntu 22.04)

Author: Saturate

.github/workflows/build.yml

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+name: Build & Push Runner Image
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - 'Dockerfile'
+      - 'entrypoint.sh'
+
+permissions:
+  packages: write
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ghcr.io/remmik/linux-github-runner:latest

Dockerfile

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+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Base deps + Tauri Linux requirements
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl ca-certificates git sudo jq \
+    libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf libssl-dev \
+    build-essential pkg-config \
+    lib32gcc-s1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Node.js 24
+RUN curl -fsSL https://deb.nodesource.com/setup_24.x | bash - \
+    && apt-get install -y nodejs \
+    && rm -rf /var/lib/apt/lists/*
+
+# pnpm
+RUN npm install -g pnpm@latest
+
+# Rust
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+ENV PATH="/root/.cargo/bin:${PATH}"
+RUN cargo install tauri-cli --version "^2" --locked
+
+# GitHub Actions Runner
+ARG RUNNER_VERSION=2.325.0
+RUN mkdir -p /actions-runner && cd /actions-runner \
+    && curl -sL "https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-x64-${RUNNER_VERSION}.tar.gz" | tar xz \
+    && ./bin/installdependencies.sh
+
+COPY entrypoint-linux.sh /actions-runner/entrypoint.sh
+RUN chmod +x /actions-runner/entrypoint.sh
+
+WORKDIR /actions-runner
+ENTRYPOINT ["/actions-runner/entrypoint.sh"]

README.md

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+# GitHub Actions Runner
+
+Self-hosted GitHub Actions runner image with Tauri build dependencies.
+
+Based on Ubuntu 22.04 with Node 24, pnpm, Rust (stable), Tauri CLI v2, and WebKit/GTK development libraries.
+
+## What's included
+
+- Ubuntu 22.04 (Jammy)
+- Node.js 24 + pnpm
+- Rust stable + Tauri CLI v2
+- libwebkit2gtk-4.1-dev and other Tauri Linux deps
+- GitHub Actions Runner
+
+## Usage (Kubernetes)
+
+```yaml
+containers:
+  - name: runner
+    image: ghcr.io/saturate/github-runner:latest
+    env:
+      - name: GITHUB_TOKEN
+        value: "ghp_..."
+      - name: GITHUB_REPOSITORY
+        value: "Saturate/overhead"
+      - name: RUNNER_NAME
+        value: "k3s-linux"
+      - name: RUNNER_LABELS
+        value: "self-hosted,Linux,X64"
+```
+
+## Usage (Docker)
+
+```bash
+docker run -d \
+  -e GITHUB_TOKEN=ghp_... \
+  -e GITHUB_REPOSITORY=Saturate/overhead \
+  -e RUNNER_NAME=my-runner \
+  ghcr.io/saturate/github-runner:latest
+```

entrypoint.sh

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+#!/bin/bash
+set -e
+
+if [ -z "$GITHUB_TOKEN" ]; then echo "GITHUB_TOKEN required"; exit 1; fi
+if [ -z "$GITHUB_REPOSITORY" ]; then echo "GITHUB_REPOSITORY required"; exit 1; fi
+
+RUNNER_NAME="${RUNNER_NAME:-k3s-linux}"
+RUNNER_LABELS="${RUNNER_LABELS:-self-hosted,Linux,X64}"
+
+# Get registration token
+REG_TOKEN=$(curl -s -X POST \
+  -H "Authorization: token ${GITHUB_TOKEN}" \
+  -H "Accept: application/vnd.github+json" \
+  "https://api.github.com/repos/${GITHUB_REPOSITORY}/actions/runners/registration-token" | jq -r .token)
+
+# Configure
+./config.sh --url "https://github.com/${GITHUB_REPOSITORY}" \
+  --token "$REG_TOKEN" \
+  --name "$RUNNER_NAME" \
+  --labels "$RUNNER_LABELS" \
+  --unattended --replace
+
+# Cleanup on exit
+cleanup() {
+  echo "Removing runner..."
+  ./config.sh remove --token "$REG_TOKEN" || true
+}
+trap cleanup EXIT
+
+# Run
+./run.sh