文件列表:

plato
screenshots/
LICENSE
ROADMAP.md
compose.yaml
emulator.Dockerfile
emulator.Dockerfile.dockerignore
gcc-linaro-builder.Dockerfile
gcc-linaro-builder.Dockerfile.dockerignore

# Plato in Container Emulator and builder Docker containers for [Plato](https://github.com/baskerville/plato) (a document reader for Kobo e-readers) ## About The `Plato` Docker images are designed as `development containers`, designed to minimize `cargo build` time during the container execution time, to compile and test `Plato`'s code as fast as possible. Currently, Docker images are prototypes and work-in-progress; the Docker images are fat (`builder`: ~2GB, `emulator`: ~3.8GB), `docker build` can take a long time and the containers probably run with more than necessary [options](https://docs.docker.com/engine/reference/run/#options). ## Motivation Kobo devices require a specific `arm-linux-gnueabihf-gcc` version ([Linaro GCC 4.9-2017.01](https://github.com/kobolabs/Kobo-Reader/tree/master/toolchain)) to compile the required Plato packages to be able to run Plato successfully on e-readers. (At least, I could not get Plato to work with Debian's stable repo's compiler version for the e-reader.) On the Plato `emulator` side; this time, emulator asks for a specific [MuPDF](https://mupdf.com/) version to be up and running. Inspired by [Jessie Frazelle](https://github.com/jessfraz)'s old blog post about [Docker containers on the desktop](https://blog.jessfraz.com/post/docker-containers-on-the-desktop/), not wanting the dependency files to spread everywhere and trying to avoid [dependency hell](https://en.wikipedia.org/wiki/Dependency_hell) on the host machine, this repo tries to diminish the file situation with Docker containers. ## Usage Initially, get the original `Plato` repo: ```sh $ cd plato-in-container $ git submodule update --init ``` ### Builder For building and getting the package ready for using on Kobo e-readers: ```sh $ docker compose build plato-builder $ docker compose run --rm plato-builder ``` or ```sh $ docker compose build $ docker compose run --rm plato-builder bash in-container$ ./build.sh && ./dist.sh ``` ### Emulator For running the emulator and accessing the graphics device inside the container: ```sh $ docker compose build plato-emulator $ docker compose run --rm plato-emulator ``` Emulator running inside Docker container and using local machine's display: Home Screen | Reader Screen -------------|-----------------  |  ## Rationale The reason `Plato in Container` is a separate repository and not a part of the original [Plato](https://github.com/baskerville/plato) repo is that these are not the first attempt at creating `docker image`s for Plato. It appears the previous `Dockerfile`s were removed from Plato's repo because of a [lack of maintenance](https://github.com/baskerville/plato/commit/573a573) and it seems that Plato's maintainer was [not using](https://github.com/baskerville/plato/issues/255#issuecomment-1230743385) them. On the under hand, `emulator` image required `MuPDF` libraries to be installed on the host. I don't want to burden the maintainer with a similar PR without a track record. The separate repo also opens up an opportunity to experiment with Docker using `git subtrees`, `git submodules` and `symbolic links` to the locally cloned repo directories. For reference, the previous Dockerfiles' history: - [Dockerfile commits (builder)](https://github.com/baskerville/plato/commits/master/Dockerfile) - [Dockerfile.dev commits (emulator)](https://github.com/baskerville/plato/commits/master/Dockerfile.dev)

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