FROM golang:1.20-alpine AS builder

# Install build dependencies
RUN apk add --no-cache git

# Set up the working directory
WORKDIR /app

# Copy Go module files
COPY go.mod ./

# Copy the source code
COPY main.go ./

# Build FreeBSD binary
RUN GOOS=freebsd GOARCH=amd64 CGO_ENABLED=0 go build -o tarballer-freebsd -ldflags="-s -w"

# Build macOS ARM64 binary for local testing
RUN GOOS=darwin GOARCH=arm64 CGO_ENABLED=0 go build -o tarballer-darwin -ldflags="-s -w"

# Build Linux binary for testing in container
RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o tarballer-linux -ldflags="-s -w"

# Second stage for testing
FROM alpine:latest AS tester

# Install required tools for testing
RUN apk add --no-cache tar gzip

WORKDIR /workdir

# Copy Linux binary for use in the container
COPY --from=builder /app/tarballer-linux /bin/tarballer

# Also copy the FreeBSD and Darwin binaries for extraction
COPY --from=builder /app/tarballer-freebsd /bin/
COPY --from=builder /app/tarballer-darwin /bin/

# Make binaries executable
RUN chmod +x /bin/tarballer /bin/tarballer-freebsd /bin/tarballer-darwin

# Copy test script
COPY test/test.sh /bin/test.sh

# Make test script executable
RUN chmod +x /bin/test.sh