- Add Dockerfile.optimized with cargo-chef caching - Add build-changed.sh script to build only modified services - Add deploy-changed.sh script for selective deployment - Add comprehensive deployment optimization guide - Support independent service rollouts (no full redeploy needed)
48 lines
1.4 KiB
Text
48 lines
1.4 KiB
Text
# Multi-service optimized Dockerfile with layer caching
|
|
# Usage: docker build --build-arg SERVICE_NAME=gateway -t nxtgauge-gateway .
|
|
|
|
# Stage 1: Base builder with dependencies cached
|
|
FROM rust:alpine AS chef
|
|
RUN apk add --no-cache musl-dev pkgconfig openssl-dev && \
|
|
rustup target add x86_64-unknown-linux-musl && \
|
|
cargo install cargo-chef
|
|
WORKDIR /app
|
|
|
|
# Stage 2: Planner - analyzes dependencies
|
|
FROM chef AS planner
|
|
COPY Cargo.toml Cargo.lock ./
|
|
COPY crates/ ./crates/
|
|
COPY apps/ ./apps/
|
|
RUN cargo chef prepare --recipe-path recipe.json
|
|
|
|
# Stage 3: Builder - compiles dependencies separately (cached layer!)
|
|
FROM chef AS builder
|
|
ARG SERVICE_NAME
|
|
|
|
# Copy dependency recipe
|
|
COPY --from=planner /app/recipe.json recipe.json
|
|
|
|
# Build dependencies (cached if recipe.json unchanged)
|
|
RUN cargo chef cook --release --target x86_64-unknown-linux-musl --recipe-path recipe.json
|
|
|
|
# Copy source and build specific service
|
|
COPY Cargo.toml Cargo.lock ./
|
|
COPY crates/ ./crates/
|
|
COPY apps/ ./apps/
|
|
|
|
ENV RUSTFLAGS='-C target-feature=+crt-static'
|
|
RUN cargo build --release --bin ${SERVICE_NAME} --target x86_64-unknown-linux-musl
|
|
|
|
# Stage 4: Runtime - minimal distroless image
|
|
FROM gcr.io/distroless/static:nonroot
|
|
ARG SERVICE_NAME
|
|
|
|
# Copy only the binary
|
|
COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/${SERVICE_NAME} /app/service
|
|
|
|
# Use nonroot user (65532:65532 in distroless)
|
|
USER nonroot:nonroot
|
|
|
|
EXPOSE 8000
|
|
|
|
ENTRYPOINT ["/app/service"]
|