towerops-agent/Dockerfile

70 lines
1.8 KiB
Docker

# Build stage
FROM rust:1.83-alpine AS builder
# Build arguments provided by Docker buildx
ARG TARGETPLATFORM
WORKDIR /app
# Install build dependencies
RUN apk add --no-cache musl-dev protobuf-dev
# Determine Rust target based on platform and add it
RUN case "$TARGETPLATFORM" in \
"linux/amd64") RUST_TARGET="x86_64-unknown-linux-musl" ;; \
"linux/arm64") RUST_TARGET="aarch64-unknown-linux-musl" ;; \
*) echo "Unsupported platform: $TARGETPLATFORM" && exit 1 ;; \
esac && \
echo "$RUST_TARGET" > /tmp/rust-target && \
rustup target add "$RUST_TARGET"
# Copy manifests and build files
COPY Cargo.toml Cargo.lock build.rs ./
COPY proto ./proto
# Create a dummy main.rs to build dependencies
RUN mkdir src && echo "fn main() {}" > src/main.rs
# Build dependencies (cached layer)
RUN RUST_TARGET=$(cat /tmp/rust-target) && \
cargo build --release --target "$RUST_TARGET"
# Remove dummy src
RUN rm -rf src
# Copy actual source code
COPY src ./src
# Build the actual application
RUN RUST_TARGET=$(cat /tmp/rust-target) && \
touch src/main.rs && \
cargo build --release --target "$RUST_TARGET" && \
cp "target/$RUST_TARGET/release/towerops-agent" /tmp/towerops-agent
# Runtime stage
FROM alpine:3.19
# Install runtime dependencies
RUN apk add --no-cache ca-certificates
# Create data directory
RUN mkdir -p /data
# Copy binary from builder
COPY --from=builder /tmp/towerops-agent /usr/local/bin/towerops-agent
# Volume for database
VOLUME ["/data"]
# Health check
HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
CMD test -f /data/towerops-agent.db || exit 1
# Run as non-root user
RUN addgroup -g 1000 towerops && \
adduser -D -u 1000 -G towerops towerops && \
chown -R towerops:towerops /data
USER towerops
ENTRYPOINT ["towerops-agent"]