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# Multi-stage build for TinyBrain Memory Storage MCP Server
FROM golang:1.21-alpine AS builder
# Install build dependencies
RUN apk add --no-cache git ca-certificates tzdata
# Set working directory
WORKDIR /app
# Copy go mod files
COPY go.mod go.sum ./
# Download dependencies
RUN go mod download
# Copy source code
COPY . .
# Build the application
RUN CGO_ENABLED=1 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o tinybrain ./cmd/server
# Final stage
FROM alpine:latest
# Install runtime dependencies
RUN apk --no-cache add ca-certificates sqlite
# Create non-root user
RUN addgroup -g 1001 -S tinybrain && \
adduser -u 1001 -S tinybrain -G tinybrain
# Create application directory
WORKDIR /app
# Copy binary from builder stage
COPY --from=builder /app/tinybrain .
# Create data directory
RUN mkdir -p /app/data && \
chown -R tinybrain:tinybrain /app
# Switch to non-root user
USER tinybrain
# Expose port (if needed for future HTTP transport)
EXPOSE 8080
# Set environment variables
ENV TINYBRAIN_DB_PATH=/app/data/memory.db
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD ./tinybrain --health-check || exit 1
# Run the application
ENTRYPOINT ["./tinybrain"]