diff --git a/README.md b/README.md
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+# Launcher_json
+
+Location of the launcher json needed for the launcher
+
+Contains the file itself and an application which retrieve the latest version of the file on the master branch at each request
+
+## The application
+
+The application retrieve the latest version of the file on the git server at each user request
+
+### Building the app
+
+To build the app, simply type in yout terminal: 
+
+`docker build -t launcher_json .`
+
+To run it, type:
+
+`docker run -p PORT:8080 -d --rm --name launcher_json`
+
+Replace `PORT` by the value you want to expose your app
+
+### Systemd service
+
+The repository contain a start.sh file to place in `/opt/launcher_json` folder, then place the launcher_json.service in `/etc/systemd/system` folder
+and activate it using: `
+
+`systemctl enable --now launcher_json`
+
+Remember to build the application first !
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diff --git a/application/launcher_json.service b/application/launcher_json.service
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+# systemd service, to start the app at the launch of the system and restart it if it crash
+[Unit]
+Description=Launcher_json Service
+
+[Service]
+# Non-root user
+User=www-data
+# Workspace directory
+WorkingDirectory=/opt/launcher_json
+# Path to Reposilite executable/script and its configuration.
+ExecStart=/opt/launcher_json/start.sh
+# Policy
+SuccessExitStatus=0
+TimeoutStopSec=10
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
diff --git a/application/start.sh b/application/start.sh
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+#!/bin/bash
+
+docker run -p 8090:8080 -d --rm launcher_json
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