Initial commit.

.github/workflows/publish-docker.yaml

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+on:
+  push:
+    tags:
+      - '*'
+    branches:
+      - master
+  workflow_dispatch:
+
+name: Publish Docker image
+
+jobs:
+  publish_docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Publish to Registry
+        uses: elgohr/Publish-Docker-Github-Action@v5
+        with:
+          name: ${{ github.repository }}/builder:${{ github.ref_name }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: ghcr.io

Dockerfile

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+FROM ghcr.io/ltla/emcmake-docker/builder:2023-07-17
+
+RUN git clone https://github.com/kanaverse/scran.js && \
+    cd scran.js && \
+    git checkout update
+
+WORKDIR scran.js
+
+# Grabbing the node modules... but also reverting any NPM-induced changes to these files.
+ENV PATH="/emsdk/node/16.20.0_64bit/bin:${FINALPATH}"
+RUN npm i --include=dev && \
+    git checkout -- package.json
+
+# Running the builds.
+RUN ./build.sh main
+RUN ./build.sh browser
+
+# Removing Node from the path.
+ENV PATH="${FINALPATH}"

LICENSE

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+MIT License
+
+Copyright (c) 2023 Aaron Lun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Docker image for building scran.js
+
+Pretty much as it says on the tin.
+Provides an image that allows for easy building of the [**scran.js**](https://github.com/kanaverse/scran.js) package,
+where we have already set up the CMake directories and performed initial compilation of all C++ files to Wasm.
+This saves time during CI runs as we only have to recompile the files that changed.