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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: samanhappy <2755122+samanhappy@users.noreply.github.com> Co-authored-by: samanhappy <samanhappy@gmail.com>
125 lines
3.4 KiB
Markdown
125 lines
3.4 KiB
Markdown
# Docker Engine Installation Test Procedure
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This document describes how to test the Docker Engine installation feature added with the `INSTALL_EXT=true` build argument.
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## Test 1: Build with INSTALL_EXT=false (default)
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```bash
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# Build without extended features
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docker build -t mcphub:base .
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# Run the container
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docker run --rm mcphub:base docker --version
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```
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**Expected Result**: `docker: not found` error (Docker is NOT installed)
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## Test 2: Build with INSTALL_EXT=true
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```bash
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# Build with extended features
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docker build --build-arg INSTALL_EXT=true -t mcphub:extended .
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# Test Docker CLI is available
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docker run --rm mcphub:extended docker --version
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```
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**Expected Result**: Docker version output (e.g., `Docker version 27.x.x, build xxxxx`)
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## Test 3: Docker-in-Docker with Auto-start Daemon
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```bash
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# Build with extended features
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docker build --build-arg INSTALL_EXT=true -t mcphub:extended .
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# Run with privileged mode (allows Docker daemon to start)
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docker run -d \
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--name mcphub-test \
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--privileged \
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-p 3000:3000 \
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mcphub:extended
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# Wait a few seconds for daemon to start
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sleep 5
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# Test Docker commands from inside the container
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docker exec mcphub-test docker ps
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docker exec mcphub-test docker images
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docker exec mcphub-test docker info
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# Cleanup
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docker stop mcphub-test
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docker rm mcphub-test
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```
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**Expected Result**:
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- Docker daemon should auto-start inside the container
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- Docker commands should work without mounting the host's Docker socket
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- `docker info` should show the container's own Docker daemon
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## Test 4: Docker-in-Docker with Host Socket (Alternative)
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```bash
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# Build with extended features
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docker build --build-arg INSTALL_EXT=true -t mcphub:extended .
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# Run with Docker socket mounted (uses host's daemon)
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docker run -d \
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--name mcphub-test \
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-p 3000:3000 \
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-v /var/run/docker.sock:/var/run/docker.sock \
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mcphub:extended
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# Test Docker commands from inside the container
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docker exec mcphub-test docker ps
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docker exec mcphub-test docker images
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# Cleanup
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docker stop mcphub-test
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docker rm mcphub-test
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```
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**Expected Result**:
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- Docker daemon should NOT auto-start (socket already exists from host)
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- Docker commands should work and show the host's containers and images
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## Test 5: Verify Image Size
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```bash
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# Build both versions
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docker build -t mcphub:base .
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docker build --build-arg INSTALL_EXT=true -t mcphub:extended .
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# Compare image sizes
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docker images mcphub:*
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```
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**Expected Result**:
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- The `extended` image should be larger than the `base` image
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- The size difference should be reasonable (Docker Engine adds ~100-150MB)
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## Test 6: Architecture Support
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```bash
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# On AMD64/x86_64
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docker build --build-arg INSTALL_EXT=true --platform linux/amd64 -t mcphub:extended-amd64 .
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# On ARM64
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docker build --build-arg INSTALL_EXT=true --platform linux/arm64 -t mcphub:extended-arm64 .
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```
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**Expected Result**:
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- Both builds should succeed
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- AMD64 includes Chrome/Playwright + Docker Engine
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- ARM64 includes Docker Engine only (Chrome installation is skipped)
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## Notes
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- The Docker Engine installation follows the official Docker documentation
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- Includes full Docker daemon (`dockerd`), CLI (`docker`), and containerd
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- The daemon auto-starts when running in privileged mode
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- The installation uses the Debian Bookworm repository
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- All temporary files are cleaned up to minimize image size
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- The feature is opt-in via the `INSTALL_EXT` build argument
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- `iptables` is installed as it's required for Docker networking
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