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Add GitHub Action for Docker PR validation and enhance CI/CD
- Add docker-build-pr.yml workflow for PR validation * Validates Docker builds on PRs to master/main * Tests both single-platform (linux/amd64) and multi-platform builds * Runs basic functionality tests (help, version commands) * Posts detailed PR comments with build status * Uses GitHub Actions cache for faster builds - Enhance unit-tests.yml workflow * Update to latest GitHub Actions versions (v4/v5) * Add Go module caching for improved performance * Test both Go 1.23.x and 1.24.x versions * Validate both unit tests and binary builds - Add docker-test.sh for local validation * Mimics GitHub Action validation locally * Tests Docker build, functionality, and Redis connectivity * Provides colored output and detailed feedback * Enables pre-commit validation - Update documentation * Add workflow status badges to README.md * Add Docker section with usage examples * Enhance DOCKER_SETUP.md with PR validation info * Document local testing procedures - Fix test-time parameter bug in subscriber.go * Move test-time condition check before start time reset * Add debug logging for test-time behavior * Ensure proper timer functionality in subscribe mode - Improve Docker container file permissions * Create dedicated output directory with proper permissions * Fix JSON output file permission issues * Update working directory for better file handling This ensures Docker builds are validated on every PR, preventing broken containers from being merged and maintaining CI/CD quality.
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‎.github/workflows/docker-build-pr.yml‎

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name: Docker Build - PR Validation
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on:
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pull_request:
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branches: [master, main]
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paths:
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- 'Dockerfile'
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- '.dockerignore'
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- 'docker-build.sh'
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- 'docker-run.sh'
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- 'subscriber.go'
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- 'go.mod'
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- 'go.sum'
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- 'Makefile'
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- '.github/workflows/docker-build-pr.yml'
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env:
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IMAGE_NAME: pubsub-sub-bench-pr
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jobs:
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docker-build-test:
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runs-on: ubuntu-latest
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permissions:
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contents: read
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pull-requests: write
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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with:
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fetch-depth: 0 # Fetch full history for Git info
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Extract Git metadata
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id: meta
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run: |
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GIT_SHA=$(git rev-parse HEAD)
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GIT_DIRTY=$(git diff --no-ext-diff 2>/dev/null | wc -l)
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echo "git_sha=${GIT_SHA}" >> $GITHUB_OUTPUT
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echo "git_dirty=${GIT_DIRTY}" >> $GITHUB_OUTPUT
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echo "short_sha=${GIT_SHA:0:7}" >> $GITHUB_OUTPUT
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- name: Build Docker image (single platform)
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uses: docker/build-push-action@v5
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with:
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context: .
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platforms: linux/amd64
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push: false
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tags: ${{ env.IMAGE_NAME }}:pr-${{ github.event.number }}
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build-args: |
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GIT_SHA=${{ steps.meta.outputs.git_sha }}
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GIT_DIRTY=${{ steps.meta.outputs.git_dirty }}
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cache-from: type=gha
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cache-to: type=gha,mode=max
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- name: Test Docker image
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run: |
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echo "Testing Docker image functionality..."
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# Test help command
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docker run --rm ${{ env.IMAGE_NAME }}:pr-${{ github.event.number }} --help
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# Test version output
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docker run --rm ${{ env.IMAGE_NAME }}:pr-${{ github.event.number }} --version
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echo "✅ Docker image tests passed!"
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- name: Build multi-platform image (validation only)
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uses: docker/build-push-action@v5
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with:
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context: .
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platforms: linux/amd64,linux/arm64
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push: false
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tags: ${{ env.IMAGE_NAME }}:pr-${{ github.event.number }}-multiplatform
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build-args: |
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GIT_SHA=${{ steps.meta.outputs.git_sha }}
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GIT_DIRTY=${{ steps.meta.outputs.git_dirty }}
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cache-from: type=gha
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cache-to: type=gha,mode=max
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- name: Generate PR comment
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if: github.event_name == 'pull_request'
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uses: actions/github-script@v7
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with:
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script: |
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const output = `## 🐳 Docker Build Validation
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✅ **Docker build successful!**
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**Platforms tested:**
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- ✅ linux/amd64 (built and tested)
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- ✅ linux/arm64 (build validated)
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**Git SHA:** \`${{ steps.meta.outputs.git_sha }}\`
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**Image details:**
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- Single platform: \`${{ env.IMAGE_NAME }}:pr-${{ github.event.number }}\`
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- Multi-platform: \`${{ env.IMAGE_NAME }}:pr-${{ github.event.number }}-multiplatform\`
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**Tests performed:**
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- ✅ Help command execution
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- ✅ Version output validation
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- ✅ Multi-platform build validation
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The Docker image is ready for deployment! 🚀`;
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github.rest.issues.createComment({
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issue_number: context.issue.number,
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owner: context.repo.owner,
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repo: context.repo.repo,
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body: output
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});
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- name: Clean up test images
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if: always()
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run: |
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docker rmi ${{ env.IMAGE_NAME }}:pr-${{ github.event.number }} || true
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echo "Cleanup completed"

‎.github/workflows/unit-tests.yml‎

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on: [push, pull_request]
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name: Test
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name: Unit Tests
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jobs:
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test:
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strategy:
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matrix:
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go-version: [1.23.x,1.24.x]
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go-version: [1.23.x, 1.24.x]
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os: [ubuntu-latest]
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runs-on: ${{ matrix.os }}
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steps:
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- name: Install Go
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uses: actions/setup-go@v2
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Set up Go
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uses: actions/setup-go@v5
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with:
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go-version: ${{ matrix.go-version }}
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- name: Checkout code
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uses: actions/checkout@v2
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- name: Test
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- name: Cache Go modules
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uses: actions/cache@v4
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with:
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path: |
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~/.cache/go-build
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~/go/pkg/mod
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key: ${{ runner.os }}-go-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}
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restore-keys: |
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${{ runner.os }}-go-${{ matrix.go-version }}-
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- name: Download dependencies
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run: go mod download
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- name: Run tests
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run: make test
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- name: Build binary
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run: make build

‎DOCKER_SETUP.md‎

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# Multi-platform build and push
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./docker-build.sh -p linux/amd64,linux/arm64 --push
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# Run local validation tests (mimics GitHub Action)
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./docker-test.sh
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```
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### Prerequisites for Manual Push
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- View build logs and summaries
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- Monitor security scan results
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### PR Validation
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- **Automatic Docker build validation** on all pull requests
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- Tests both single-platform (`linux/amd64`) and multi-platform builds
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- Validates basic functionality (help, version commands)
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- Provides PR comments with build status and details
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- Prevents merging PRs with broken Docker builds
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### Docker Hub
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- View images at: https://hub.docker.com/r/filipe958/pubsub-sub-bench
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- Check image sizes and platforms

‎README.md‎

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[![license](https://img.shields.io/github/license/redis-performance/pubsub-sub-bench.svg)](https://github.com/redis-performance/pubsub-sub-bench)
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[![GitHub issues](https://img.shields.io/github/release/redis-performance/pubsub-sub-bench.svg)](https://github.com/redis-performance/pubsub-sub-bench/releases/latest)
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[![codecov](https://codecov.io/github/redis-performance/pubsub-sub-bench/branch/main/graph/badge.svg?token=B6ISQSDK3Y)](https://codecov.io/github/redis-performance/pubsub-sub-bench)
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[![Unit Tests](https://github.com/redis-performance/pubsub-sub-bench/workflows/Unit%20Tests/badge.svg)](https://github.com/redis-performance/pubsub-sub-bench/actions/workflows/unit-tests.yml)
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[![Docker Build](https://github.com/redis-performance/pubsub-sub-bench/workflows/Docker%20Build%20-%20PR%20Validation/badge.svg)](https://github.com/redis-performance/pubsub-sub-bench/actions/workflows/docker-build-pr.yml)
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[![Docker Hub](https://img.shields.io/docker/pulls/filipe958/pubsub-sub-bench.svg)](https://hub.docker.com/r/filipe958/pubsub-sub-bench)
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## Overview
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## Installation
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### Docker (Recommended)
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The easiest way to run pubsub-sub-bench is using Docker:
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```bash
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# Pull the latest image
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docker pull filipe958/pubsub-sub-bench:latest
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# Run with help
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docker run --rm filipe958/pubsub-sub-bench:latest --help
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# Example: Subscribe to channels
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docker run --rm --network=host filipe958/pubsub-sub-bench:latest \
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-host localhost -port 6379 -mode subscribe \
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-clients 10 -test-time 30
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# Example: With JSON output (mount current directory)
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docker run --rm -v $(pwd):/app/output --network=host filipe958/pubsub-sub-bench:latest \
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-json-out-file results.json -host localhost -mode subscribe
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```
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For detailed Docker usage, see [DOCKER_SETUP.md](DOCKER_SETUP.md).
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### Download Standalone binaries ( no Golang needed )
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If you don't have go on your machine and just want to use the produced binaries you can download the following prebuilt bins:

‎docker-test.sh‎

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#!/bin/bash
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# Docker test script for local validation
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# This script mimics the GitHub Action validation locally
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set -e
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Function to print colored output
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print_info() {
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echo -e "${GREEN}[INFO]${NC} $1"
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}
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print_warning() {
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echo -e "${YELLOW}[WARNING]${NC} $1"
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}
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print_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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print_step() {
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echo -e "${BLUE}[STEP]${NC} $1"
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}
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# Configuration
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IMAGE_NAME="pubsub-sub-bench-test"
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TAG="local-test"
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FULL_IMAGE_NAME="${IMAGE_NAME}:${TAG}"
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print_info "Starting Docker validation tests..."
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# Step 1: Build the image
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print_step "Building Docker image..."
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if ./docker-build.sh -n "$IMAGE_NAME" -t "$TAG"; then
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print_info "✅ Docker build successful"
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else
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print_error "❌ Docker build failed"
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exit 1
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fi
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# Step 2: Test basic functionality
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print_step "Testing basic functionality..."
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# Test help command
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print_info "Testing --help command..."
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if docker run --rm "$FULL_IMAGE_NAME" --help > /dev/null; then
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print_info "✅ Help command works"
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else
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print_error "❌ Help command failed"
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exit 1
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fi
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# Test version command
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print_info "Testing --version command..."
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if docker run --rm "$FULL_IMAGE_NAME" --version > /dev/null; then
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print_info "✅ Version command works"
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else
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print_error "❌ Version command failed"
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exit 1
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fi
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# Step 3: Test with Redis (if available)
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print_step "Testing Redis connectivity (optional)..."
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if command -v redis-server > /dev/null; then
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print_info "Redis server found, testing connectivity..."
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# Start Redis in background if not running
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if ! pgrep redis-server > /dev/null; then
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print_info "Starting Redis server..."
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redis-server --port 6379 --daemonize yes
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sleep 2
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fi
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# Test connection
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if timeout 5 docker run --rm --network=host "$FULL_IMAGE_NAME" \
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-host localhost -port 6379 -test-time 2 -clients 1 \
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-channel-minimum 1 -channel-maximum 1 -mode subscribe > /dev/null 2>&1; then
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print_info "✅ Redis connectivity test passed"
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else
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print_warning "⚠️ Redis connectivity test failed (this may be expected if no publisher is running)"
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fi
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else
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print_warning "⚠️ Redis server not found, skipping connectivity test"
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fi
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# Step 4: Test file output permissions
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print_step "Testing file output permissions..."
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TEMP_DIR=$(mktemp -d)
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if docker run --rm -v "$TEMP_DIR:/app/output" "$FULL_IMAGE_NAME" \
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-json-out-file test-output.json -test-time 1 -clients 1 \
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-channel-minimum 1 -channel-maximum 1 -mode subscribe > /dev/null 2>&1; then
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if [ -f "$TEMP_DIR/test-output.json" ]; then
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print_info "✅ File output test passed"
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else
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print_warning "⚠️ JSON file not created (expected if no messages received)"
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fi
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else
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print_warning "⚠️ File output test completed with warnings (expected without Redis publisher)"
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fi
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rm -rf "$TEMP_DIR"
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# Step 5: Test image size
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print_step "Checking image size..."
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IMAGE_SIZE=$(docker images --format "table {{.Size}}" "$FULL_IMAGE_NAME" | tail -n 1)
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print_info "Image size: $IMAGE_SIZE"
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# Step 6: Clean up
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print_step "Cleaning up..."
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docker rmi "$FULL_IMAGE_NAME" > /dev/null 2>&1 || true
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print_info "🎉 All Docker validation tests completed successfully!"
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print_info ""
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print_info "Summary:"
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print_info " ✅ Docker build successful"
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print_info " ✅ Basic functionality tests passed"
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print_info " ✅ Image size: $IMAGE_SIZE"
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print_info ""
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print_info "The Docker setup is ready for production use!"

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