Add Docker support with HTTP transport for SSH MCP Server

.dockerignore

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+node_modules/
+build/
+.git/
+.github/
+test/
+images/
+*.md
+.gitignore
+.dockerignore
+install-systemd.sh
+run-service.sh
+skills/
+docs/

.github/workflows/docker.yml

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+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+  pull_request:
+    branches:
+      - main
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU (multi-platform)
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha,prefix=sha-,format=short
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

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+# Stage 1: build
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+COPY package.json ./
+RUN npm install
+
+COPY tsconfig.json ./
+COPY src/ ./src/
+COPY scripts/ ./scripts/
+
+RUN npm run build
+
+# Stage 2: runtime
+FROM node:22-alpine AS runner
+
+WORKDIR /app
+
+COPY package.json ./
+RUN npm install --omit=dev
+
+COPY --from=builder /app/build ./build
+COPY docker-entrypoint.sh ./
+
+RUN chmod +x docker-entrypoint.sh
+
+# HTTP transport env vars
+ENV HTTP_HOST=0.0.0.0
+ENV HTTP_PORT=3001
+ENV HTTP_PATH=/mcp
+# HTTP_API_KEY — set at runtime, do not hardcode
+# SSH_CONFIG_FILE — path inside container to mounted JSON config
+
+EXPOSE 3001
+
+ENTRYPOINT ["./docker-entrypoint.sh"]

README.md

@@ -561,6 +561,133 @@ Options:
   --pre-connect       Pre-connect to all configured SSH servers on startup
 ```
 
+## 🐳 Running with Docker (HTTP Transport)
+
+The pre-built Docker image is published to GitHub Container Registry on every push to `main` and for every version tag.
+
+### Pull the image
+
+```bash
+# Latest build from main
+docker pull ghcr.io/someblackmagic/ssh-mcp-server:latest
+
+# Specific release
+docker pull ghcr.io/someblackmagic/ssh-mcp-server:1.8.2
+```
+
+### Step 1 — Create an SSH server config file
+
+Create `ssh-config.json` on the host machine (it will be mounted read-only into the container):
+
+```json
+[
+  {
+    "name": "dev",
+    "host": "192.168.1.10",
+    "port": 22,
+    "username": "alice",
+    "privateKey": "/root/.ssh/id_rsa",
+    "commandWhitelist": ["^ls", "^cat ", "^df", "^free", "^ps"]
+  },
+  {
+    "name": "prod",
+    "host": "10.0.0.5",
+    "port": 22,
+    "username": "deploy",
+    "password": "secret",
+    "commandWhitelist": ["^ls", "^systemctl status"]
+  }
+]
+```
+
+> When `privateKey` is used, the path must match the location **inside** the container. Mount your `~/.ssh` directory to `/root/.ssh` (see the `docker run` example below).
+
+### Step 2 — Start the container
+
+```bash
+docker run -d \
+  --name ssh-mcp-server \
+  -p 3001:3001 \
+  -e HTTP_API_KEY=change-me-to-a-strong-secret \
+  -v "$HOME/.ssh:/root/.ssh:ro" \
+  -v "$(pwd)/ssh-config.json:/app/ssh-config.json:ro" \
+  -e SSH_CONFIG_FILE=/app/ssh-config.json \
+  ghcr.io/someblackmagic/ssh-mcp-server:latest
+```
+
+Environment variables:
+
+| Variable | Default | Description |
+|---|---|---|
+| `HTTP_HOST` | `0.0.0.0` | Bind address |
+| `HTTP_PORT` | `3001` | HTTP port |
+| `HTTP_PATH` | `/mcp` | MCP endpoint path |
+| `HTTP_API_KEY` | *(empty)* | Bearer token for auth — set this in production |
+| `SSH_CONFIG_FILE` | *(empty)* | Absolute path inside the container to the JSON config file |
+
+Check that the server is ready:
+
+```bash
+docker logs ssh-mcp-server
+# MCP HTTP server listening on http://0.0.0.0:3001/mcp
+```
+
+### Step 3 — Connect an MCP client over HTTP
+
+**Claude Desktop** (`claude_desktop_config.json`):
+
+```json
+{
+  "mcpServers": {
+    "ssh-mcp-server": {
+      "url": "http://localhost:3001/mcp",
+      "headers": {
+        "Authorization": "Bearer change-me-to-a-strong-secret"
+      }
+    }
+  }
+}
+```
+
+**Claude Code** (`.mcp.json` or `~/.claude.json`):
+
+```json
+{
+  "mcpServers": {
+    "ssh-mcp-server": {
+      "type": "http",
+      "url": "http://localhost:3001/mcp",
+      "headers": {
+        "Authorization": "Bearer change-me-to-a-strong-secret"
+      }
+    }
+  }
+}
+```
+
+### Docker Compose example
+
+```yaml
+services:
+  ssh-mcp-server:
+    image: ghcr.io/someblackmagic/ssh-mcp-server:latest
+    restart: unless-stopped
+    ports:
+      - "3001:3001"
+    environment:
+      HTTP_API_KEY: change-me-to-a-strong-secret
+      SSH_CONFIG_FILE: /app/ssh-config.json
+    volumes:
+      - ~/.ssh:/root/.ssh:ro
+      - ./ssh-config.json:/app/ssh-config.json:ro
+```
+
+```bash
+docker compose up -d
+```
+
+---
+
 ## 🛡️ Security Considerations
 
 This server provides powerful capabilities to execute commands and transfer files on remote servers. To ensure it is used securely, please consider the following:

docker-entrypoint.sh

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+#!/bin/sh
+set -e
+
+set -- \
+  "--mcp-transport" "http" \
+  "--http-host" "${HTTP_HOST:-0.0.0.0}" \
+  "--http-port" "${HTTP_PORT:-3001}" \
+  "--http-path" "${HTTP_PATH:-/mcp}"
+
+if [ -n "${HTTP_API_KEY:-}" ]; then
+  set -- "$@" "--http-api-key" "${HTTP_API_KEY}"
+fi
+
+if [ -n "${SSH_CONFIG_FILE:-}" ]; then
+  set -- "$@" "--config-file" "${SSH_CONFIG_FILE}"
+fi
+
+exec node build/index.js "$@"