# Dockerfile References: https://docs.docker.com/engine/reference/builder/
#
# Usage:
#
# docker build -t pdfcpu .
#
# Simple one off container:
# docker run pdfcpu
#
# One off container with dir binding:
# docker run -v $(pwd):/data -it --rm pdfcpu pdfcpu val test.pdf
#
# Create & run reusable container with dir binding:
# docker run --name pdfcpu -v $(pwd):/data -it pdfcpu /bin/sh
# /data # ...            // run pdfcpu commands against your data
# /data # exit           // exit container
#
# docker start -i pdfcpu // restart container with dir binding
# /data # ...            // run pdfcpu commands against your data
# /data # exit           // exit container

# Start from the latest golang base image
FROM golang:latest as builder

# install
RUN go install github.com/pdfcpu/pdfcpu/cmd/pdfcpu@latest

######## Start a new stage from scratch #######

FROM alpine:latest

RUN apk --no-cache add ca-certificates gcompat

WORKDIR /root

# Copy the pre-built binary file from the previous stage
COPY --from=builder /go/bin ./

# Export path of executable
ENV PATH="${PATH}:/root"

WORKDIR /data

# Command to run executable
CMD pdfcpu && echo && pdfcpu version -v