created Docker container for Sauce Connect Proxy

Author: christian-bromann

.editorconfig

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+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+[*]
+
+indent_style = space
+indent_size = 4
+
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{.babelrc,.eslintrc,.codeclimate.yml,.travis.yml,*.json,.eslintrc.js}]
+indent_size = 2

.github/workflows/main.yml

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+name: "PR Checks"
+on: [pull_request, push]
+
+jobs:
+  check_pr:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: "Install Dependencies"
+      run: npm install
+
+    - name: "Run Test"
+      run: npm test

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.0.0] - 2019-09-25
+
+### Added
+- N/A
+
+### Changed
+- Initial release
+
+### Removed
+- N/A
+
+[1.0.0]: https://github.com/joelwmale/sauce-connect-action/compare/1.0.0...1.0.0

Dockerfile

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+FROM frolvlad/alpine-glibc
+
+LABEL version="1.0.0"
+LABEL repository="http://github.com/saucelabs/sauce-connect-action"
+LABEL homepage="http://github.com/saucelabs/sauce-connect-action"
+LABEL maintainer="Christian Bromann <christian@saucelabs.com>"
+LABEL "com.github.actions.name"="Sauce Connect Proxy Action"
+LABEL "com.github.actions.description"="A GitHub action to launch Sauce Connect Proxy"
+LABEL "com.github.actions.icon"="server"
+LABEL "com.github.actions.color"="green"
+
+ENV SAUCE_CONNECT_VERSION 4.5.4
+
+WORKDIR /usr/local/sauce-connect
+
+RUN apk add --no-cache libstdc++
+RUN apk add --no-cache --virtual .build-deps binutils-gold g++ curl gcc gnupg libgcc linux-headers
+
+RUN wget https://saucelabs.com/downloads/sc-$SAUCE_CONNECT_VERSION-linux.tar.gz -O - | tar -xz
+
+WORKDIR /usr/local/sauce-connect/sc-$SAUCE_CONNECT_VERSION-linux
+
+ENV PATH /usr/local/sauce-connect/sc-$SAUCE_CONNECT_VERSION-linux/bin:$PATH
+
+ENTRYPOINT ["sc"]
+
+EXPOSE 4445
+EXPOSE 8032
+
+CMD ["--version"]