Dockerfile

# Build stage
FROM golang:1.25-alpine AS builder

# Install git and ca-certificates for dependencies
RUN apk --no-cache add git ca-certificates tzdata

WORKDIR /app

# Copy go mod files first for better caching
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy source code
COPY . .

# Build the application with optimizations
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
    -ldflags='-w -s -extldflags "-static"' \
    -a -installsuffix cgo \
    -o signoz-mcp-server \
    ./cmd/server/

# Add MCP registry label
LABEL io.modelcontextprotocol.server.name="io.github.SigNoz/signoz-mcp-server"

# Final stage
FROM alpine:latest

# Install ca-certificates
RUN apk --no-cache add ca-certificates

# Create non-root user for security
RUN addgroup -g 1001 -S appgroup && \
    adduser -u 1001 -S appuser -G appgroup

WORKDIR /app

# Copy the binary from builder stage
COPY --from=builder /app/signoz-mcp-server .

# Change ownership to non-root user
RUN chown -R appuser:appgroup /app

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 8000

# Run the application
CMD ["./signoz-mcp-server"]