FROM golang:1.20-alpine

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

# 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"

# Copy Linux binary for use in the container
RUN cp tarballer-linux /bin/tarballer && chmod +x /bin/tarballer

# Copy test script
COPY test/test.sh /bin/test.sh
RUN chmod +x /bin/test.sh

# Default working directory for running tests
WORKDIR /workdir