# Multi-stage build for KotaDB MCP Server
# Stage 1: Builder
FROM rust:1.89-alpine AS builder
# Install build dependencies
RUN apk add --no-cache \
musl-dev \
pkgconfig \
openssl-dev \
git
# Set working directory
WORKDIR /build
# Copy dependency files first for better layer caching
COPY Cargo.toml Cargo.lock rust-toolchain.toml ./
# Create a dummy main.rs to build dependencies
RUN mkdir src && echo "fn main() {}" > src/main.rs
# Build dependencies (this layer will be cached)
RUN cargo build --release --features mcp-server
RUN rm src/main.rs
# Copy source code
COPY src/ src/
COPY tests/ tests/
COPY benches/ benches/
# Build the MCP server binary
RUN cargo build --release --bin kotadb-mcp --features mcp-server
# Stage 2: Runtime
FROM alpine:3.19 AS runtime
# Install runtime dependencies
RUN apk add --no-cache \
ca-certificates \
tzdata \
tini
# Create non-root user for security
RUN addgroup -g 1000 kotadb && \
adduser -D -s /bin/sh -u 1000 -G kotadb kotadb
# Set working directory
WORKDIR /app
# Copy binary from builder stage
COPY --from=builder /build/target/release/kotadb-mcp /usr/local/bin/kotadb-mcp
# Create directories for data and config
RUN mkdir -p /app/data /app/config /app/logs && \
chown -R kotadb:kotadb /app
# Copy default configuration
COPY docker/mcp/kotadb-mcp.toml /app/config/
# Switch to non-root user
USER kotadb
# Expose MCP server port
EXPOSE 3000
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD kotadb-mcp --health-check || exit 1
# Use tini as init system for proper signal handling
ENTRYPOINT ["/sbin/tini", "--"]
# Default command
CMD ["kotadb-mcp", "--config", "/app/config/kotadb-mcp.toml", "--data-dir", "/app/data"]