FROM golang:1.21-alpine AS builder

WORKDIR /app

# Install git for cloning repositories
RUN apk add --no-cache git

# Copy go mod files
COPY go.mod go.sum ./
RUN go mod download

# Copy source code
COPY . .

# Build the application
RUN CGO_ENABLED=1 GOOS=linux go build -a -installsuffix cgo -o manager ./cmd/manager

# Final stage
FROM alpine:latest

# Install git and docker client
RUN apk add --no-cache git docker-cli

WORKDIR /root/

# Copy the binary from builder stage
COPY --from=builder /app/manager .

# Copy manifests
COPY --from=builder /app/manifests ./manifests

# Expose port
EXPOSE 8080

# Run the application
CMD ["./manager"]