v0.3.0 (#2)

Reviewed-on: #2

Dockerfile

@@ -1,46 +1,61 @@
-FROM golang:1.26.2 AS builder
+# Stage 1: Build the application
+FROM rust:1.96 as builder
 
-WORKDIR /app
+# Set the working directory inside the container
+WORKDIR /usr/src/app
 
+# 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
+    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
 
-# Configure Git to use SSH for GitHub
-RUN git config --global url."git@git.kundeng.us:".insteadOf "https://git.kundeng.us/" && \
-	    git config --global url."git@git.kundeng.us:".insteadOf "http://git.kundeng.us/"
-
-# Set up the Go environment for private modules
-ENV GOPRIVATE=git.kundeng.us
-
-# Copy go mod and sum files
-COPY go.mod go.sum ./
+# 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 && \
-    go mod download
+    echo "fn main() {println!(\"if you see this, the build broke\")}" > src/main.rs && \
+    cargo build --release --quiet && \
+    rm -rf src target/release/deps/catapult*
 
-# Copy source code
-COPY ./cmd ./cmd
-COPY ./internal ./internal
-COPY ./Makefile .
-COPY ./.env .
+# Copy the actual source code
+COPY src ./src
+# If you have other directories like `templates` or `static`, copy them too
+COPY .env ./.env
 
-# Build the application
-RUN CGO_ENABLED=0 GOOS=linux make build
+# << --- 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
 
-# Runtime stage
-FROM alpine:latest AS production
+# Stage 2: Create the final, smaller runtime image
+# Use a minimal base image like debian-slim or even distroless for security/size
+FROM debian:trixie-slim
 
-RUN apk --no-cache add ca-certificates
+# 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/*
 
-WORKDIR /root/
+# Set the working directory
+WORKDIR /usr/local/bin
 
-# Copy the pre-built binary file from the previous stage
-COPY --from=builder /app/catapult .
-COPY --from=builder /app/.env ./
+# Copy the compiled binary from the builder stage
+# Replace 'catapult' with the actual name of your binary (usually the crate name)
+COPY --from=builder /usr/src/app/target/release/catapult .
 
-# Command to run the executable
+# 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 .
+
+# Set the command to run your application
+# Ensure this matches the binary name copied above
 CMD ["./catapult"]