flowcus/Dockerfile at main · consi/flowcus · GitHub

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# Stage 1: Build frontend
FROM node:22-bookworm-slim AS frontend

WORKDIR /build/frontend
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci
COPY frontend/ ./
RUN npm run build

# Stage 2: Build Rust binary
FROM rust:1.85-bookworm AS builder

ARG VERSION

WORKDIR /build

# Copy workspace manifests first for layer caching
COPY Cargo.toml Cargo.lock ./
COPY crates/flowcus-core/Cargo.toml crates/flowcus-core/Cargo.toml
COPY crates/flowcus-ipfix/Cargo.toml crates/flowcus-ipfix/Cargo.toml
COPY crates/flowcus-storage/Cargo.toml crates/flowcus-storage/Cargo.toml
COPY crates/flowcus-query/Cargo.toml crates/flowcus-query/Cargo.toml
COPY crates/flowcus-server/Cargo.toml crates/flowcus-server/Cargo.toml
COPY crates/flowcus-app/Cargo.toml crates/flowcus-app/Cargo.toml

# Inject version from build arg if provided
RUN if [ -n "$VERSION" ]; then \
        sed -i "s/^version = \".*\"/version = \"$VERSION\"/" Cargo.toml; \
    fi

# Create stub lib.rs files so cargo can resolve the workspace
RUN for crate in flowcus-core flowcus-ipfix flowcus-storage flowcus-query flowcus-server; do \
        mkdir -p crates/$crate/src && echo "" > crates/$crate/src/lib.rs; \
    done && \
    mkdir -p crates/flowcus-app/src && echo "fn main() {}" > crates/flowcus-app/src/main.rs

# Pre-build dependencies (cached layer)
RUN cargo build --release --workspace 2>/dev/null || true

# Copy frontend build output
COPY --from=frontend /build/frontend/dist/ frontend/dist/

# Copy real source code
COPY crates/ crates/

# Re-inject version after full source copy (Cargo.toml was overwritten)
RUN if [ -n "$VERSION" ]; then \
        sed -i "s/^version = \".*\"/version = \"$VERSION\"/" Cargo.toml; \
    fi

# Build the actual binary
RUN touch crates/*/src/*.rs crates/flowcus-app/src/main.rs && \
    cargo build --release -p flowcus-app

# Stage 3: Minimal runtime
FROM debian:bookworm-slim

RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates curl && \
    rm -rf /var/lib/apt/lists/*

COPY --from=builder /build/target/release/flowcus /usr/local/bin/flowcus

RUN mkdir -p /data/storage

EXPOSE 2137 4739/udp

ENTRYPOINT ["flowcus"]
CMD ["--storage", "/data/storage"]