mcp-stockfish

# Build stage FROM golang:1.23-alpine AS builder RUN apk add --no-cache git WORKDIR /app COPY go.mod go.sum ./ RUN go mod download COPY *.go ./ ARG VERSION=dev ARG COMMIT_HASH ARG BUILD_TIME RUN CGO_ENABLED=0 GOOS=linux go build \ -ldflags "-X main.version=${VERSION} -s -w -extldflags '-static'" \ -a -installsuffix cgo \ -o mcp-stockfish . # Runtime stage FROM alpine:3.19 RUN apk add --no-cache \ stockfish \ ca-certificates \ && rm -rf /var/cache/apk/* # Create non-root user RUN addgroup -g 1000 mcpuser && \ adduser -D -s /bin/bash -u 1000 -G mcpuser mcpuser # Copy binary from builder stage COPY --from=builder /app/mcp-stockfish /usr/local/bin/mcp-stockfish RUN chmod +x /usr/local/bin/mcp-stockfish # Set environment ENV MCP_STOCKFISH_PATH=/usr/bin/stockfish ENV PATH="/usr/local/bin:${PATH}" # Switch to non-root user USER mcpuser WORKDIR /home/mcpuser # Health check HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \ CMD echo '{"jsonrpc": "2.0", "method": "ping", "id": 1}' | timeout 2 mcp-stockfish || exit 1 ENTRYPOINT ["mcp-stockfish"]