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builds.md

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Builds

In this document manual procedures are explained. Helper scripts to automate these are introduced in Development.

Get the sources

In order to make development easier, the frontend is included in the backend as a git submodule. Then, in order to tinker with the sources, start by getting both repos at once with:

git clone --recurse-submodules https://github.com/filebrowser/filebrowser

NOTE: since it is a submodule, when developing the frontend remember to update the backend repo accordingly.

Alternatively, you can download the repos in two steps with curl/wget:

curl -L https://github.com/filebrowser/filebrowser/archive/master.tar.gz | tar xvz
cd filebrowser-master
curl -L https://github.com/filebrowser/frontend/archive/master.tar.gz | tar xvz
mv frontend-master frontend

However, note that this approach won't let you push your changes back easily.

Build the frontend

In order to build the frontend, just execute the build script with either yarn or npm in the root of the frontend repository. It is suggested to clean subdir dist first, so that artifacts from previous builds are removed. Also, running yarn install to get dependencies up-to-date is encouraged.

# Remove existing artifacts (if any)
if [ -d "dist" ]; then
  rm -rf dist/*
fi;
# Get dependencies up-to-date
yarn install
# Build the frontend
yarn build

Run or build the backend

Frontend artifacts are embedded in the backend with go.rice. Therefore, prior to following the regular golang procedure this needs to be executed in subdir lib of the backend repository:

# Install rice tool if not present
if ! [ -x "$(command -v rice)" ]; then
  go get github.com/GeertJohan/go.rice/rice
fi

# Embed the assets using rice
cd lib
rice embed-go

Then, ensuring that all the dependencies are available is strongly recommended:

cd ../cli
go get -v ./...

Last, the backend can be either run or built from subdir cli as usual:

cd ../cli
go run

or

cd ../cli
CGO_ENABLED=0 go build -a
cd ..
cp cli/filebrowser ./

Note: CGO_ENABLED=0 is used so that a static binary is built. See golang.org/cmd/cgo/.

Build a Docker image

Since File Browser is compiled to a single static binary with embedded frontend artifacts, just copying it into a scratch image will work. However, setting some parameters by default is suggested. For example:

FROM scratch

VOLUME /tmp
VOLUME /srv
EXPOSE 80

COPY filebrowser /filebrowser
COPY Docker.json /config.json

ENTRYPOINT ["/filebrowser", "--config", "/config.json"]

So, put the built binary and a config.json in the same dir as the dockerfile shown above and build it:

docker build -t filebrowser/filebrowser .

You can then try it:

docker run -dp 5555:80 filebrowser/filebrowser --no-auth

Integrate the binary in a external Docker image

There are at least three possible approaches to use File Browser inside a existing image:

  • Use a built binary that is locally available, as in the example shown above.
  • Get a release tarball and extract it in the dockerfile:
RUN https://github.com/filebrowser/filebrowser/releases/download/v1.8.0/linux-amd64-filebrowser.tar.gz | tar -xvz filebrowser

Alternatively, the following snippet will retrieve the latest available tarball:

RUN curl -L $( \
         curl -s https://api.github.com/repos/filebrowser/filebrowser/releases/latest \
       | grep "browser_download_url.*linux-amd64.*tar.gz" \
       | cut -d : -f 2,3 \
       | tr -d \" \
     ) \
| tar -xvz filebrowser
  • Copy the binary from an image that contains it already. E.g. to build a image with a working shell, an Alpine Linux version can be built from the default scratch-based one:
FROM filebrowser/filebrowser AS base
FROM alpine AS img
COPY --from=base /filebrowser <target_path>