diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..74c9a60 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,75 @@ +# Stage 1: Build the application +# Use a specific Rust version for reproducibility. Choose one that matches your development environment. +# Using slim variant for smaller base image +FROM rust:1.86 as builder + +# Set the working directory inside the container +WORKDIR /usr/src/app + +# Install build dependencies if needed (e.g., for certain crates like sqlx with native TLS) +# RUN apt-get update && apt-get install -y pkg-config libssl-dev + +# Install build dependencies if needed (e.g., git for cloning) +RUN apt-get update && apt-get install -y --no-install-recommends \ + pkg-config libssl3 \ + ca-certificates \ + openssh-client git \ + && rm -rf /var/lib/apt/lists/* + +# << --- ADD HOST KEY HERE --- >> +# Replace 'yourgithost.com' with the actual hostname (e.g., github.com) +RUN mkdir -p -m 0700 ~/.ssh && \ + ssh-keyscan git.kundeng.us >> ~/.ssh/known_hosts + +# Copy Cargo manifests +COPY Cargo.toml Cargo.lock ./ + +# Build *only* dependencies to leverage Docker cache +# This dummy build caches dependencies as a separate layer +RUN --mount=type=ssh mkdir src && \ + echo "fn main() {println!(\"if you see this, the build broke\")}" > src/main.rs && \ + cargo build --release --quiet && \ + rm -rf src target/release/deps/icarus* # Clean up dummy build artifacts (replace icarus) + +# Copy the actual source code +COPY src ./src +# If you have other directories like `templates` or `static`, copy them too +# COPY templates ./templates +# COPY static ./static +# COPY .env ./.env +# COPY migrations ./migrations + +# << --- SSH MOUNT ADDED HERE --- >> +# Build *only* dependencies to leverage Docker cache +# This dummy build caches dependencies as a separate layer +# Mount the SSH agent socket for this command +RUN --mount=type=ssh \ + cargo build --release --quiet + +# Stage 2: Create the final, smaller runtime image +# Use a minimal base image like debian-slim or even distroless for security/size +FROM ubuntu:24.04 + +# Install runtime dependencies if needed (e.g., SSL certificates) +RUN apt-get update && apt-get install -y ca-certificates libssl-dev libssl3 && rm -rf /var/lib/apt/lists/* + +# Set the working directory +WORKDIR /usr/local/bin + +# Copy the compiled binary from the builder stage +# Replace 'icarus' with the actual name of your binary (usually the crate name) +COPY --from=builder /usr/src/app/target/release/icarus . + +# Copy other necessary files like .env (if used for runtime config) or static assets +# It's generally better to configure via environment variables in Docker though +# COPY --from=builder /usr/src/app/.env . +# COPY --from=builder /usr/src/app/migrations ./migrations +# COPY --from=builder /usr/src/app/templates ./templates +# COPY --from=builder /usr/src/app/static ./static + +# Expose the port your Axum app listens on (e.g., 3000 or 8000) +EXPOSE 3000 + +# Set the command to run your application +# Ensure this matches the binary name copied above +CMD ["./icarus"]