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linux_patch_manager/Dockerfile
Draco-Lunaris-Echo e17b740415
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fix(docker): complete Dockerfile audit - migrations, deps, openssl (#49)
Three issues fixed in the multi-stage Docker build:

1. CRITICAL: Add COPY migrations/ to rust-builder stage
   - sqlx::migrate!(../../migrations) is a compile-time proc macro
   - Without migrations/ present, cargo build fails with 'no such file or directory'
   - Previously migrations/ was only copied in runtime stage (too late)

2. Copy individual crate Cargo.toml files for dependency caching
   - The dummy-build caching step only copied workspace Cargo.toml/Cargo.lock
   - Without crate-level manifests, cargo couldn't resolve the workspace
   - This meant the cache layer was ineffective (rebuilt everything on code changes)

3. Add openssl package to runtime stage
   - entrypoint.sh uses openssl rand, openssl genpkey, openssl pkey
   - Only libssl3t64 (shared library) was installed, not the CLI tool
   - Runtime would fail on first-run key generation

All stages verified: Ubuntu 24.04   Rust via rustup (1.85+) 
2026-06-07 22:59:32 -05:00

142 lines
4.9 KiB
Docker

# =============================================================================
# Linux Patch Manager — Multi-stage Docker Build
# =============================================================================
# Build: docker build -t linux-patch-manager .
# Run: docker compose up
# =============================================================================
# ---------------------------------------------------------------------------
# Stage 1: Rust build (Ubuntu 24.04 + rustup)
# ---------------------------------------------------------------------------
FROM ubuntu:24.04 AS rust-builder
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y \
build-essential \
curl \
pkg-config \
libssl-dev \
libfontconfig1-dev \
&& rm -rf /var/lib/apt/lists/*
# Install Rust via rustup (stable channel, provides 1.85+)
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable
ENV PATH="/root/.cargo/bin:${PATH}"
WORKDIR /usr/src/app
# Cache dependencies by building a dummy project first
COPY Cargo.toml Cargo.lock ./
COPY crates/pm-web/Cargo.toml crates/pm-web/Cargo.toml
COPY crates/pm-worker/Cargo.toml crates/pm-worker/Cargo.toml
COPY crates/pm-core/Cargo.toml crates/pm-core/Cargo.toml
COPY crates/pm-agent-client/Cargo.toml crates/pm-agent-client/Cargo.toml
COPY crates/pm-auth/Cargo.toml crates/pm-auth/Cargo.toml
COPY crates/pm-ca/Cargo.toml crates/pm-ca/Cargo.toml
COPY crates/pm-reports/Cargo.toml crates/pm-reports/Cargo.toml
COPY crates/migrate-secrets/Cargo.toml crates/migrate-secrets/Cargo.toml
RUN mkdir -p crates/pm-web/src crates/pm-worker/src crates/pm-core/src \
crates/pm-agent-client/src crates/pm-auth/src crates/pm-ca/src \
crates/pm-reports/src crates/migrate-secrets/src
RUN echo 'fn main(){}' > crates/pm-web/src/main.rs \
&& echo 'fn main(){}' > crates/pm-worker/src/main.rs \
&& echo '' > crates/pm-core/src/lib.rs \
&& echo '' > crates/pm-agent-client/src/lib.rs \
&& echo '' > crates/pm-auth/src/lib.rs \
&& echo '' > crates/pm-ca/src/lib.rs \
&& echo '' > crates/pm-reports/src/lib.rs \
&& echo 'fn main(){}' > crates/migrate-secrets/src/main.rs
RUN cargo build --release 2>/dev/null || true
# Now build the real project
COPY crates/ crates/
COPY migrations/ migrations/
RUN cargo build --release
# Verify binaries exist
RUN ls -la target/release/pm-web target/release/pm-worker
# Strip debug symbols
RUN strip target/release/pm-web target/release/pm-worker
# ---------------------------------------------------------------------------
# Stage 2: Frontend build (Ubuntu 24.04 + Node.js 20)
# ---------------------------------------------------------------------------
FROM ubuntu:24.04 AS frontend-builder
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y \
curl \
ca-certificates \
&& rm -rf /var/lib/apt/lists/*
# Install Node.js 20 via NodeSource
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
&& apt-get install -y nodejs \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /usr/src/app/frontend
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci --production=false
COPY frontend/ ./
RUN npm run build
# ---------------------------------------------------------------------------
# Stage 3: Runtime
# ---------------------------------------------------------------------------
FROM ubuntu:24.04 AS runtime
RUN apt-get update && apt-get install -y \
ca-certificates \
libssl3t64 \
libfontconfig1 \
openssl \
postgresql-client-16 \
argon2 \
curl \
&& rm -rf /var/lib/apt/lists/*
# Create service user
RUN useradd --system --no-create-home --shell /usr/sbin/nologin \
--comment "Linux Patch Manager service account" patch-manager
# Create directories
RUN mkdir -p /etc/patch-manager/ca /etc/patch-manager/certs \
/etc/patch-manager/jwt /etc/patch-manager/tls \
/var/log/patch-manager /opt/patch-manager \
/usr/share/patch-manager/frontend \
/usr/share/patch-manager/migrations
# Copy binaries
COPY --from=rust-builder /usr/src/app/target/release/pm-web /usr/local/bin/pm-web
COPY --from=rust-builder /usr/src/app/target/release/pm-worker /usr/local/bin/pm-worker
# Copy frontend
COPY --from=frontend-builder /usr/src/app/frontend/dist/ /usr/share/patch-manager/frontend/
# Copy migrations
COPY migrations/ /usr/share/patch-manager/migrations/
# Copy entrypoint
COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
RUN chmod 755 /usr/local/bin/entrypoint.sh
# Copy config template
COPY config/config.example.toml /usr/share/patch-manager/config.example.toml
# Set ownership
RUN chown -R patch-manager:patch-manager \
/etc/patch-manager /var/log/patch-manager \
/opt/patch-manager /usr/share/patch-manager
# Expose HTTPS port
EXPOSE 443
# Volume for persistent data
VOLUME ["/etc/patch-manager", "/var/log/patch-manager", "/opt/patch-manager"]
ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]