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+# syntax = docker/dockerfile:experimental
+#
+# Requires Docker v18.06 or later and BuildKit mode to use cache mount
+# Docker v18.06 also requires the daemon to be running in experimental mode.
+#
+# $ export DOCKER_BUILDKIT=1
+#
+# See https://github.com/moby/buildkit/blob/master/frontend/dockerfile/docs/experimental.md
+#
+# To build for arm, see https://www.docker.com/blog/getting-started-with-docker-for-arm-on-linux/
+#
+# Build targets supported:
+# docker build --build-arg=TARGET=pld packaging
+# docker build --build-arg=TARGET=debian packaging
+# docker build --build-arg=TARGET=fedora packaging
+
+ARG VERSION=v1.0pre7
+ARG TARGET=debian
+
+FROM alpine AS source
+RUN apk add git curl patch
+ARG VERSION
+RUN git clone --depth=1 -b $VERSION https://github.com/ruediger/VobSub2SRT /source
+WORKDIR /source
+RUN curl -sSfLO https://github.com/ruediger/VobSub2SRT/pull/72.patch
+RUN patch -p1 < 72.patch
+
+## Debian
+FROM debian:buster AS runtime-debian
+RUN --mount=type=cache,id=apt,target=/var/cache/apt \
+	apt update && apt install -y \
+	libtesseract4
+FROM runtime-debian AS build-debian
+RUN --mount=type=cache,id=apt,target=/var/cache/apt \
+	apt install -y \
+	build-essential cmake libtesseract-dev libtiff5-dev pkg-config tesseract-ocr-eng
+
+## PLD Linux
+FROM registry.gitlab.com/pld-linux/pld AS runtime-pld
+RUN --mount=type=cache,id=poldek,target=/var/cache/poldek \
+	poldek -O 'keep downloads=yes' --up -u \
+	tesseract
+FROM runtime-pld AS build-pld
+RUN --mount=type=cache,id=poldek,target=/var/cache/poldek \
+	poldek -O 'keep downloads=yes' -u \
+	cmake gzip libtiff-devel make tesseract-devel
+
+## Fedora Linux
+FROM fedora:31 AS runtime-fedora
+RUN --mount=type=cache,id=dnf,target=/var/cache/dnf \
+	dnf install -y \
+	tesseract
+FROM runtime-fedora AS build-fedora
+RUN --mount=type=cache,id=dnf,target=/var/cache/dnf \
+	dnf install -y \
+	cmake g++ libtiff-devel make tesseract-devel
+
+FROM build-$TARGET AS build
+WORKDIR /build
+COPY --from=source /source .
+RUN ./configure
+RUN make
+RUN make install
+RUN strip /usr/local/bin/*
+
+FROM runtime-$TARGET AS runtime
+COPY --from=build /usr/local/bin/* /usr/local/bin