ci: migrate CircleCI to GitHub Actions

.dockerignore

@@ -4,5 +4,5 @@ tests/
 CLAUDE.md
 README.md
 .gitignore
-.circleci/
 LICENSE
+.github/

.github/workflows/ci.yml

@@ -0,0 +1,80 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+      - name: Set up Deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.7.6
+      - name: Build executable
+        run: |
+          touch persist.dat
+          deno compile \
+            --allow-read \
+            --allow-write=./persist.dat \
+            --allow-net=0.0.0.0:3000 \
+            --allow-env=HOST,PORT,PERSIST,QUEUE_API_TOKEN \
+            main.ts
+      - name: Run tests
+        run: deno test --allow-read --allow-write --allow-net --allow-env --allow-run
+
+  mutation-mutasaurus:
+    name: Mutation testing (Mutasaurus)
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+      - name: Set up Deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.7.6
+      - name: Run Mutasaurus
+        run: |
+          touch persist.dat
+          deno run \
+            --allow-read \
+            --allow-write \
+            --allow-net \
+            --allow-env \
+            --allow-run \
+            --allow-sys \
+            --allow-ffi \
+            --node-modules-dir=auto \
+            mutation/mutasaurus_ci.ts
+
+  mutation-stryker:
+    name: Mutation testing (Stryker)
+    needs: mutation-mutasaurus
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - name: Set up Deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.7.6
+      - name: Install StrykerJS
+        run: npm install --no-save --no-package-lock @stryker-mutator/core
+      - name: Run StrykerJS
+        run: |
+          touch persist.dat
+          npx --no-install stryker run mutation/stryker.config.json
+          node mutation/stryker_check.js

.gitignore

@@ -3,5 +3,6 @@
 /target/
 /node_modules/
 /.stryker-tmp/sandbox-*/
+mutation/stryker-report.json
 /.claude/
 CLAUDE.md

.serena/memories/project/overview.md

@@ -4,10 +4,10 @@
 Fast, lightweight, persistence-optional FIFO queue service written in TypeScript for Deno. Provides HTTP API for enqueue, dequeue, length, peek, queues list, and health check endpoints.
 
 ## Tech Stack
-- **Runtime**: Deno 2.7.6 (critical - must match CI image)
+- **Runtime**: Deno 2.7.6 (critical - must match the GitHub Actions workflow)
 - **Language**: TypeScript
 - **Imports**: JSR format (e.g. `jsr:@std/cli@1.0/parse-args`)
-- **CI**: CircleCI (image: `denoland/deno:2.7.6`)
+- **CI**: GitHub Actions (`.github/workflows/ci.yml`)
 
 ## Commands
 - **Test**: `deno test --allow-all` (permission flags required for file I/O tests)

AGENTS.md

@@ -14,15 +14,16 @@ and respect .serena as integral project tooling
 
 **Main branch requires Deno 2.7.6**
 
-### CircleCI Configuration
+### GitHub Actions Configuration
 
-The `.circleci/config.yml` must match the Deno version:
+The `.github/workflows/ci.yml` must match the Deno version:
 ```yaml
-docker:
-  - image: denoland/deno:2.7.6
+uses: denoland/setup-deno@v2
+with:
+  deno-version: 2.7.6
 ```
 
-**If you upgrade Deno, ALWAYS update this image or CI will fail.**
+**If you upgrade Deno, ALWAYS update this workflow or CI will fail.**
 
 ### Standard Library Imports
 
@@ -61,7 +62,7 @@ Test HTTP handler behaviour with real requests, not internal implementation deta
 
 ## Common Diagnostics
 
-**CircleCI fails?** Check: (1) CircleCI Deno version matches code (2) Import format (jsr: vs deno.land) (3) Using Deno 2.x-only APIs
+**GitHub Actions fails?** Check: (1) workflow Deno version matches code (2) import format (jsr: vs deno.land) (3) use of Deno 2.x-only APIs
 
 **Merge blocked?** `gh api repos/jonbaldie/queue/branches/main/protection --jq '.enforce_admins.enabled'` — if true, disable with DELETE before merging with --admin
 

README.md

@@ -2,7 +2,7 @@
 
 Fast, portable queue server written in Typescript and built with Deno.
 
-[![CircleCI](https://circleci.com/gh/jonbaldie/queue/tree/main.svg?style=shield)](https://circleci.com/gh/jonbaldie/queue/tree/main)
+[![CI](https://github.com/jonbaldie/queue/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/jonbaldie/queue/actions/workflows/ci.yml)
 
 ## Introduction