lms-backend/Dockerfile
2025-04-08 04:53:16 +08:00

54 lines
1.9 KiB
Docker

# Dockerfile
# ---- Builder Stage ----
FROM rust:1.78-slim AS builder
# Install build dependencies (like openssl for native-tls feature of sqlx)
# Use Debian package names
RUN apt-get update && apt-get install -y --no-install-recommends \
pkg-config \
libssl-dev \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
# Copy manifests first to leverage Docker cache for dependencies
COPY Cargo.toml Cargo.lock ./
# Dummy src/main.rs to build dependencies only if needed
RUN mkdir src && echo "fn main(){}" > src/main.rs
# Build dependencies only (can take time)
# Use --release for optimized dependencies if desired, but target/debug might be faster for iteration
# RUN cargo build --release
RUN cargo build
# Copy the actual source code
COPY src ./src
# Build the final application binary (optimized for release)
# Ensure previous build steps are cleaned if needed
RUN touch src/main.rs && cargo build --release
# ---- Runtime Stage ----
FROM debian:stable-slim AS runtime
# Install runtime dependencies (like ca-certificates and openssl libs)
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates \
libssl3 \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
# Copy the compiled binary from the builder stage
COPY --from=builder /app/target/release/lms-backend /usr/local/bin/lms-backend
# Copy .env file - Alternatively, manage via Docker Compose environment vars
# COPY .env .env # If you want .env inside the image (less flexible)
# Expose the port the application listens on (from .env or default)
EXPOSE 8080
# Set the entrypoint to run the application
# Use environment variables for configuration (DATABASE_URL, SERVER_ADDR) passed via Docker Compose
CMD ["lms-backend"]