deepseek-harness/Dockerfile

FROM node:22-bookworm

# Install Nginx to perform HTTP header rewriting inside the container
RUN apt-get update && apt-get install -y nginx-light && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Enable pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Copy code and build
COPY . .
RUN pnpm install
RUN pnpm run build

# Create a dedicated default directory for workspaces
RUN mkdir -p /app/workspaces

# Configure Nginx to trick dsh web into thinking all requests originate from local loopback
RUN echo 'server { \
    listen 3080; \
    location / { \
        proxy_pass http://127.0.0.1:3081; \
        proxy_set_header Host 127.0.0.1:3081; \
        proxy_http_version 1.1; \
        proxy_set_header Upgrade $http_upgrade; \
        proxy_set_header Connection "upgrade"; \
    } \
}' > /etc/nginx/sites-available/default

EXPOSE 3080

# Start Nginx and launch DeepSeek Harness
CMD nginx && node --import tsx/esm apps/cli/src/bin.ts web --port 3081 --no-open