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指南：GitHub Actions 的計費與 Runner

GitHub 對 Actions 收取哪些費用、預算用完時作業為什麼會停止，以及每月超過多少分鐘，定額 Runner 的帳單就比較低。

  • Actions Runner Controller vs a managed runner service: which for a small team?

    Actions Runner Controller (ARC) is free software you run on your own Kubernetes cluster: two Helm charts, a runner image you build, and a reinstall for every upgrade. A small team gets the same free GitHub minutes from a managed runner. Skipbox is one for a flat $39 a month with unlimited minutes: change one runs-on line.

    更新於 2026年11月14日

  • docker compose pulls every image on every GitHub Actions job: how to stop pulling the same images

    Each GitHub Actions job starts on a new VM with no Docker images, so docker compose up pulls Postgres, Redis and every other service image again. docker save with actions/cache only moves the download, inside GitHub's 10 GB. On a runner that keeps its disk the images are already there. Skipbox is that runner for a flat $39 a month: change one runs-on line.

    更新於 2026年11月14日

  • GitHub Actions concurrency limits: why pull requests queue at busy hours, and how to run more jobs at once without Enterprise

    GitHub-hosted runners run 20 jobs at once on GitHub Free, 40 on Pro, 60 on Team and 500 on Enterprise, across the whole account. Past that, jobs queue. Self-hosted runners don't count against the limit. Skipbox is a managed one: move your heaviest jobs with one runs-on line, for a flat $39 a month with unlimited minutes.

    更新於 2026年11月14日

  • GitHub Actions vs CircleCI vs GitLab CI cost for a 10-person startup, and what to budget for CI/CD

    GitHub Actions, CircleCI and GitLab CI all bill CI by the minute, so a startup's CI budget is its minutes times a rate, and it grows with every push. For a 10-person team at 20,000 minutes a month on 4 vCPU: $222 on GitHub, $300 on CircleCI. Staying on GitHub Actions with a flat-priced runner fixes the number: Skipbox is $39 a month with unlimited minutes.

    更新於 2026年11月14日

  • "Waiting for a runner to pick up this job": why GitHub Actions jobs stay queued, and a runner that's always there

    A GitHub Actions job stays queued when no free runner matches its runs-on labels: a wrong label, a self-hosted runner that is offline or busy, or the account's limit on jobs at once. Skipbox is a managed runner that is health-checked and rebuilt for you, for a flat $39 a month with unlimited minutes: at 20,000 minutes on 4 vCPU, $183 a month less than GitHub.

    更新於 2026年11月14日

  • Are self-hosted runners safe for private repositories? GitHub's hardening rules, done for you

    A self-hosted GitHub Actions runner keeps what earlier jobs left and can be compromised for good by one bad job. GitHub's guidance: a runner for one job, a clean machine, separate machines for code you don't trust. Skipbox does all three on your account's own machine for a flat $39 a month, with a fresh VM for every job when you turn on Clean every job.

    更新於 2026年11月14日

  • Android Gradle build slow in GitHub Actions: Gradle cache, build cache, heap and cores

    An Android Gradle build in GitHub Actions is slow because a fresh VM starts with an empty Gradle User Home, Gradle's build cache is off by default, its heap defaults to 512 MB, and a private repository's ubuntu-latest has 2 CPUs. The fixes in order, from Gradle's and Android's docs, and a machine that keeps ~/.gradle between jobs: Skipbox, from $39 a month with unlimited minutes.

    更新於 2026年11月13日

  • Blacksmith's bill and cache limits: how it charges, what its cache keeps, and when a flat price costs less

    Blacksmith bills each minute by runner size, with 3,000 free 2 vCPU minutes a month, and charges $0.50 per GB a month for Docker layer caches and sticky disks. Its Actions cache is free up to 25 GB per repository per week. How to estimate your own bill, how to cut it, and the arithmetic for when a flat $39 a month costs less.

    更新於 2026年11月13日

  • CI for AI coding agents: when the agent waits 20 minutes for GitHub Actions on every loop

    An AI coding agent's loop is push, wait for CI, read the failure, fix, push again, so a 20-minute pipeline costs 100 minutes over five fixes. Shorten the wait in order: checks the agent runs before pushing, superseded runs cancelled, fast checks first, only the affected tests, and a machine that keeps its caches between jobs. Skipbox runs those jobs on your own machine from $39 a month, unlimited minutes.

    更新於 2026年11月13日

  • Docker layer cache in GitHub Actions: why every build starts cold, and how to keep the layers

    Every GitHub Actions job starts on a new VM with no Docker build cache and no pulled images, and setup-buildx-action's default builder starts empty. buildx's cache-to and cache-from (gha, registry, local) bring layers back as downloads, inside GitHub's 10 GB. A runner that keeps Docker's build cache on its disk needs none of it, for a flat $39 a month.

    更新於 2026年11月13日

  • Flaky Cypress and Playwright tests on GitHub Actions: when the runner is the cause

    E2E tests that pass locally and flake on GitHub Actions are often starved: Cypress, a browser, your app and its database share a private repository's 2 CPUs and 8 GB. Cypress's docs say resource starvation shows up as flaky, slow or random failures. How to confirm it, what to fix in the tests, why sharding costs minutes, and a runner with 8 vCPU and 16 GB at a flat $79 a month.

    更新於 2026年11月13日

  • "An Actions budget is preventing further use": get CI running today

    GitHub refuses jobs with this message when a budget set to stop usage is spent, and with "your account is locked due to a billing issue" when a payment failed. They stay refused until someone fixes billing or the month ends. Change runs-on to skipbox and the job runs today, outside the budget, then for a flat $39 a month with unlimited minutes.

    更新於 2026年11月13日

  • GitHub Actions cache size limit: why your cache is evicted, slow to restore, or missed

    GitHub's Actions cache holds 10 GB per repository, deletes the entries read longest ago once you pass it, and drops any entry unused for 7 days. Even a hit is a download onto a new VM. What each fix costs, and why a runner that keeps its disk makes most of the cache unnecessary, for a flat $39 a month.

    更新於 2026年11月13日

  • A fixed monthly cost for GitHub Actions: a CI budget finance can approve

    GitHub Actions bills each minute in dollars after the month ends, so nobody knows the amount when the budget is approved. A GitHub budget can cap it, but a cap that holds stops your CI. To make CI a fixed line item that never stops, run the jobs on a flat-priced runner: Skipbox is $39 a month per machine with unlimited minutes.

    更新於 2026年11月13日

  • "No space left on device" in GitHub Actions: find what fills the disk, free it, or get a bigger one

    GitHub guarantees only 14 GB of free space on its standard Linux runner, and Docker images, cache restores and build trees fill it. How to see what fills the disk, what to delete from the runner image, and where a bigger disk comes from: GitHub's larger runners on Team and Enterprise, or Skipbox's own machine with 80 GB on S, 160 GB on M and 320 GB on L at a flat price.

    更新於 2026年11月13日

  • Next.js build slow or out of memory in GitHub Actions: cache, memory, runner size

    A Next.js build in GitHub Actions is slow when .next/cache isn't carried to the next run, and runs out of memory on a private repository's 8 GB ubuntu-latest once webpack, type checking and source maps add up. What to cache, which Next.js settings cut memory, and the runner size: 16 GB for $79 a month or 32 GB for $149 on Skipbox, unlimited minutes.

    更新於 2026年11月13日

  • Speed up a pnpm and Turborepo monorepo in GitHub Actions (astro: 528 s to 30 s)

    In a pnpm and Turborepo monorepo on GitHub Actions, most of the time is pnpm install on a fresh VM and turbo running tasks whose results aren't on it. Run only affected packages, give turbo a cache, and keep the pnpm store. Or run on a machine that keeps both: astro's CI went from 528 s on GitHub to 30 s on Skipbox, for a flat $39 a month.

    更新於 2026年11月13日

  • Why rust-cache doesn't make your Rust CI fast (tauri: 246 s to 53 s)

    Swatinem/rust-cache caches your dependencies, not your workspace crates, and turns incremental compilation off. So on GitHub's fresh VM every warm job compiles your own crates again. A target/ kept on a machine that stays fixes it: tauri's CI job went from 246 s to 53 s on Skipbox, for a flat $39 a month.

    更新於 2026年11月13日

  • How to speed up GitHub Actions: cut a 25-minute pipeline, lever by lever

    A slow GitHub Actions pipeline is jobs waiting on each other, work that didn't need to run, setup repeated on a blank VM, and CPU-bound steps on 2 cores. Fix them in that order. The last two are the machine: Skipbox keeps your caches on your own machine between jobs, with up to 16 vCPU, for a flat $39 a month with unlimited minutes.

    更新於 2026年11月13日

  • GitHub 自架 Runner 免費嗎？免費，而且不必自己管伺服器

    免費。GitHub 不對自架 Runner 的分鐘數收費。Skipbox 是不用自己維運的自架 Runner：4 vCPU 每月跑 20,000 分鐘，固定 $39，比 GitHub 託管的 Runner 每月少 $183。

    更新於 2026年11月11日

  • GitHub Actions 月費固定 Runner：不再按分鐘付費

    GitHub Actions 按作業執行的每一分鐘收費。Skipbox 以每月固定 $39 執行你的作業，分鐘數不限：每月在 4 核心 Runner 上跑 20,000 分鐘的團隊，每月省下 $183。換過去只要改一行 runs-on。

    更新於 2026年11月11日

  • GitHub Actions 費用試算：算出帳單，再改成固定價格

    GitHub Actions 的帳單，是每個作業的分鐘數乘以其 Runner 的每分鐘費率，再扣除方案內含的運算額度。4 核心 Runner 每月 20,000 分鐘要 $222；Skipbox 以每月固定 $39 執行同樣的作業，分鐘數不限。

    更新於 2026年11月11日

  • 私有儲存庫的 GitHub Actions 免費分鐘數，用完後改成不限分鐘

    私有儲存庫在 GitHub Free 每月有 US$12 的 GitHub Actions 額度，Pro 和 Team 則是 US$18：等於 ubuntu-latest 的 2,000 或 3,000 分鐘。超過之後，每一分鐘都要付費，否則作業就會停止。Skipbox 以每月固定 $39 執行它們，分鐘數不限；在 4 vCPU 上跑 20,000 分鐘的團隊，每月省下 $183。

    更新於 2026年11月11日

  • GitHub Actions 為什麼很慢？別再每個作業都重建一次環境

    GitHub Actions 慢，是因為每個作業都從空白的 VM 開始，在第一個測試之前先下載工具、重新安裝相依套件、重建 Docker 映像檔。Skipbox 會在作業之間把這些全部留在你的專屬機器上，每月固定 $39，分鐘數不限：4 vCPU 跑 20,000 分鐘，每月比 GitHub 少 $183。

    更新於 2026年11月11日

  • GitHub Actions「spending limit needs to be increased」：今天就讓作業恢復執行

    預算用完、免費分鐘數用完又沒有付款方式，或付款失敗時，GitHub 會顯示這則訊息並拒絕啟動作業。在有人修好帳單之前，合併只能等。把 runs-on 改成 skipbox，作業今天就能在 GitHub 預算之外執行，之後每月固定 $39，分鐘數不限。

    更新於 2026年11月11日

  • AI coding agents tripled your GitHub Actions bill? Run agent CI at a flat price

    Every pull request and push an AI agent makes runs your CI, and GitHub bills each minute. On a 4 vCPU runner, 20,000 minutes a month costs $222 on GitHub and $39 on Skipbox, unlimited minutes, one runs-on line to move.

    更新於 2026年11月11日

  • Claude Code GitHub Actions cost: make the runner minutes flat-price

    Claude Code's GitHub Action has two bills: Anthropic's for the model, and GitHub's for every runner minute, its own job and the CI its pushes start. Skipbox makes the minutes flat: 20,000 minutes a month on 4 vCPU is $222 on GitHub, $39 on Skipbox.

    更新於 2026年11月11日

  • Continuous E2E testing on GitHub Actions: run the suite all day at a flat price

    Run your end-to-end suite on every push and on a schedule all day, so regressions from agent commits and flaky tests show up within minutes. On GitHub's 4-core runner a runner busy all month is $500.40; on Skipbox S it is a flat $39, with the browsers kept on your own machine between runs.

    更新於 2026年11月11日

  • GitHub Actions exit code 137: out of memory, and a 16 GB or 32 GB runner at a flat price

    Exit code 137 means the job ran out of memory and Linux killed it: a private repository's ubuntu-latest has 8 GB. Skipbox runs the job on 16 GB or 32 GB machines for a flat $39 or $149 a month with unlimited minutes, by changing one runs-on line.

    更新於 2026年11月11日

  • GitHub Actions larger runners: how to set one up, or get 16 vCPU at a flat price

    An organization owner on GitHub Team or Enterprise Cloud adds a larger runner under Settings, Actions, Runners, and its name becomes the runs-on label. It bills every minute. Skipbox gives you 8 vCPU for $79 a month, unlimited minutes: at 20,000 minutes that is $343 a month less than GitHub's 8-core runner.

    更新於 2026年11月11日

  • When do GitHub Actions minutes reset? Run your jobs before the 1st

    GitHub Actions minutes reset at 00:00 UTC on the 1st of each month and don't roll over. Until then, a team out of minutes is billed per minute or blocked. Change runs-on to skipbox and the jobs run today with no GitHub minutes, then for a flat $39 a month with unlimited minutes.

    更新於 2026年11月11日

  • Out of GitHub Actions minutes on a personal account? Unlimited private-repo CI

    A personal account gets 2,000 free GitHub Actions minutes a month for private repos on GitHub Free, 3,000 on Pro, on a 2-core runner. Past that, every minute is billed or your jobs stop. Skipbox gives a personal account a 4 vCPU machine for a flat $39 a month with unlimited minutes.

    更新於 2026年11月11日

  • "The runner has received a shutdown signal": the cause, and a runner with the memory to fix it

    On a GitHub-hosted runner the cause GitHub confirmed is memory: the job ran out and the VM went down before an out-of-memory line reached the log. ubuntu-latest has 8 GB on a private repository. Skipbox gives a job 16 GB for a flat $39 a month, or 32 GB for $149, unlimited minutes.

    更新於 2026年11月11日

  • runs-on in GitHub Actions: labels, examples, and the one line that cuts your bill

    runs-on picks the machine a job runs on, and with it what GitHub bills. ubuntu-latest bills every minute; a self-hosted label bills nothing. runs-on: skipbox moves a job to a self-hosted runner without the upkeep: 4 vCPU for 20,000 minutes a month is $39 flat instead of $222.

    更新於 2026年11月11日

  • Self-hosted GitHub Actions runners at a flat price, without running a server

    GitHub bills nothing for self-hosted runner minutes, so a self-hosted runner turns CI into a flat cost. Skipbox is that runner for $39 a month with unlimited minutes and no server to run: 20,000 minutes a month on a 4-core runner saves $183.

    更新於 2026年11月11日

  • GitHub Actions too expensive? Move to a flat price and stop the meter

    GitHub Actions gets expensive because every job minute is billed, rounded up, re-runs included. 20,000 minutes a month on a 4-core runner is $222; on Skipbox it's a flat $39 with unlimited minutes, $183 less every month.

    更新於 2026年11月11日

  • What a self-hosted GitHub Actions runner really costs, and the flat-price way

    GitHub bills nothing for self-hosted runner minutes; the real cost is the server plus the hours you spend keeping it running. Skipbox is a self-hosted runner with that work done, for a flat $39 a month with unlimited minutes.

    更新於 2026年11月11日

  • Playwright on GitHub Actions: faster E2E runs with browsers that stay installed

    Playwright on GitHub Actions is npm ci, npx playwright install --with-deps, npx playwright test. It's slow because every job reinstalls the browsers on a new VM and runs 1 worker on a private repository's 2-core ubuntu-latest. On Skipbox the browsers stay on your machine and a job gets up to 16 vCPU, for a flat $39 a month: at 20,000 minutes on 4 vCPU, $183 a month less than GitHub.

    更新於 2026年11月11日

  • ubuntu-latest runner specs: 2 CPUs and 8 GB. Get 4 to 16 vCPU at a flat price

    On a private repository, ubuntu-latest has 2 CPUs, 8 GB of RAM and a 14 GB SSD, and bills every minute. Skipbox's smallest plan gives each job 4 vCPU and 16 GB on your own machine that keeps its caches, for $39 a month with unlimited minutes.

    更新於 2026年11月11日