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<title>ClassQuiz/docs - Self-Host</title>
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content="How to self-host ClassQuiz, the open-source quiz-application"
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<article
class="prose prose-sm sm:prose lg:prose-lg xl:prose-xl mx-auto mt-10 prose-slate px-4 dark:prose-invert"
>
<h1>Self-Hosting</h1>
<p>Since ClassQuiz is open-source, it can also be self-hosted.</p>
<h2>Warning</h2>
<p>
Although some versions are already released, <b>I</b> would recommend to run the latest
commit (where checks pass) from the <b>master</b>-branch.
</p>
<h2>Requirements</h2>
<h3>Software</h3>
<ul>
<li>
<a href="https://docker.com" target="_blank">Docker</a> (<a
href="https://docs.docker.com/compose/install/linux/"
target="_blank">Compose</a
>)
</li>
<li><a href="https://git-scm.com/" target="_blank">Git</a></li>
<li>
A <a href="https://redis.com" target="_blank">Redis</a>-Server
</li>
</ul>
<h3>3rd-Parties</h3>
<h4>Required</h4>
<ul>
<li><a href="https://hcaptcha.com">hCaptcha (Captcha)</a></li>
<li><a href="https://www.mapbox.com/">Mapbox (Maps)</a></li>
</ul>
<h4>Optional</h4>
<ul>
<li><a href="https://sentry.io">Sentry (Error-Logging)</a></li>
<li>
<a href="https://console.cloud.google.com/apis/dashboard"
>Google-Credentials (Sign-In)</a
>
</li>
<li><a href="https://github.com/settings/developers">GitHub-Credentials (Sign-In)</a></li>
</ul>
<h2>Installation</h2>
<p>At first, clone the repo:</p>
<pre><code class="language-bash"
>git clone https://github.com/mawoka-myblock/classquiz && cd ClassQuiz</code
></pre>
<p>
Now, you'll configure your frontend. You'll have to change the following in <code
>frontend/Dockerfile</code
>:
</p>
<ul>
<li><code>VITE_MAPBOX_ACCESS_TOKEN</code>: A Mapbox-token which is optional.</li>
<li><code>VITE_HCAPTCHA</code>: The hCaptcha-Siteky for captchas</li>
<li>
<code>VITE_CAPTCHA_ENABLED</code>: Set it to <code>true</code>, if the captcha should be
available
</li>
<li><code>VITE_SENTRY</code>: A Sentry-DSN for Sentry (optional)</li>
<li>
<code>VITE_GOOGLE_AUTH_ENABLED</code>: Set it to <code>true</code>, if Google-Auth is
set up. Otherwise, leave it unset.
</li>
<li>
<code>VITE_GITHUB_AUTH_ENABLED</code>: Set it to <code>true</code>, if GitHub-Auth is
set up. Otherwise, leave it unset.
</li>
</ul>
<h2>Configuration</h2>
<h3>Storage Provider</h3>
<p>
You'll have to set up a storage provider for some pictures (these getting imported from
Kahoot!). For now, you can use <a href="https://min.io/" target="_blank">Minio (S3)</a> or
the local filesystem. Please not that I'd recommend Minio for larger instances, since it can
be scaled and the media doesn't have to streamed through the (comparatively) slow ClassQuiz
server. Now, that you've decided on a storage backend, you can set the
<code>STORAGE_BACKEND</code>-environment-variable to either <code>s3</code> or
<code>local</code>. If you ask yourself what happened with deta, I've decided to remove it,
since the went all-in with their spaces and I think that hardly anyone used it anyway.
</p>
<h4>If you chose Minio (S3)...</h4>
<p>
...you'll also have to set the <code>S3_ACCESS_KEY</code>, <code>S3_SECRET_KEY</code> and
the
<code>S3_BASE_URL</code>. The <code>S3_BUCKET_NAME</code> can also be set, but defaults to
<code>classquiz</code>.
</p>
<h4>If you chose the local filesystem...</h4>
<p>
...you'll have to set the <code>STORAGE_PATH</code> environment variable. The path must be
absolute (so start with a <code>/</code>).
</p>
<p>
Before you can start your stack, you have to set some environment-variables in your
<code>docker-compose.yml</code>.
</p>
<h3>GitHub/Google-Auth</h3>
<p>
This step is purely optional, but it will enable users to log in using their
Google/GitHub-accounts.
</p>
<h4>Google</h4>
<p>
First, go to <a href="https://console.cloud.google.com/apis/dashboard"
>console.cloud.google.com/apis/dashboard</a
> and create a new project and select it. Then, go to the "OAuth consent screen" and set it up.
Next, go to the "Credentials"-tab and click on "Create Credentials" and create a new "OAuth Client
ID". This ID should be from the application-type "Web application". Afterwards, add a new "Authorised
JavaScript origin", which is just the base-domain (with https) of your ClassQuiz-installation.
Then, add a new "Authorised redirect URI". This URI will have the following scheme:
</p>
<pre><code>https://[BASE_URL]/api/v1/users/oauth/google/auth</code></pre>
<p>You're done! Not the client-secret and the client-id down, you'll need it later.</p>
<h4>GitHub</h4>
<p>
First, go to <a href="https://github.com/settings/developers"
>github.com/settings/developers</a
> and create a "new OAuth App". The "Authorization callback URL" has the following schema:
</p>
<pre><code>https://[BASE_URL]/api/v1/users/oauth/github/auth</code></pre>
<p>
That's it. Click on "Register application" and generate a new client secret and save it for
later, together with your client-id.
</p>
<h3>Docker-Compose File</h3>
<pre><code class="language-yaml"
>version: "3"
services:
frontend:
restart: always
build:
context: ./frontend
dockerfile: Dockerfile
depends_on:
- redis
- api
environment:
REDIS_URL: redis://redis:6379/0?decode_responses=True # don't change
API_URL: http://api:80 # don't change
api:
build: &build_cfg
context: .
dockerfile: Dockerfile
restart: &restart always
depends_on: &depends
- db
- redis
environment: &env_vars
ROOT_ADDRESS: "https://classquiz.de" # Base-URL (change it)
DB_URL: "postgresql://postgres:classquiz@db:5432/classquiz" # don't change
MAIL_ADDRESS: "classquiz@mawoka.eu" # Email-Address (change it)
MAIL_PASSWORD: "MAIL_PASSWORD" # Email-Password (change it)
MAIL_USERNAME: "classquiz@mawoka.eu" # Email-Username (change it)
MAIL_SERVER: "smtp.gmail.com" # SMTP-Server (change it)
MAIL_PORT: "587" # SMTP-Port
SKIP_EMAIL_VERIFICATION: True # Set this to skip sending emails
MAX_WORKERS: "1" # Very important and don't change it!
REDIS: "redis://redis:6379/0?decode_responses=True" # don't change
SECRET_KEY: "TOP_SECRET" # openssl rand -hex 32
MEILISEARCH_URL: "http://meilisearch:7700" # don't change
ACCESS_TOKEN_EXPIRE_MINUTES: 30 # don't change
HCAPTCHA_KEY: "" # Private hCaptcha key for verification (change it)
STORAGE_BACKEND: "local" # MUST BE EITHER "s3" OR "local"
FREE_STORAGE_LIMIT: "1074000000" # Free storage limit in bytes (default: 1GB)
# If STORAGE_BACKEND is "s3"
S3_ACCESS_KEY=YOUR_ACCESS_KEY
S3_SECRET_KEY=YOUR_SECRET_KEY
S3_BASE_URL=YOUR_S3_BASE_URL
# If STORAGE_BACKEND is "local"
STORAGE_PATH: "/var/storage"
# GOOGLE_AUTH
GOOGLE_CLIENT_ID: # Your Google-Client ID, or leave it unset if you don't want it.
GOOGLE_CLIENT_SECRET: # Your Google-Client Secret, or leave it unset if you don't want it.
# GITHUB_AUTH
GITHUB_CLIENT_ID: # Your GitHub-Client ID, or leave it unset if you don't want it.
GITHUB_CLIENT_SECRET: # Your GitHub-Client Secret, or leave it unset if you don't want it.
volumes: # Only needed if you chose the "local" storage-backend
- ./uploads:/var/storage
redis:
image: redis:alpine
restart: always
healthcheck:
test: [ "CMD", "redis-cli","ping" ]
db:
image: postgres:14-alpine
restart: always
healthcheck:
test: [ "CMD-SHELL", "pg_isready -U postgres" ]
interval: 5s
timeout: 5s
retries: 5
environment:
POSTGRES_PASSWORD: "classquiz"
POSTGRES_DB: "classquiz"
volumes:
- data:/var/lib/postgresql/data
proxy:
image: caddy:alpine
restart: always
volumes:
- ./Caddyfile-docker:/etc/caddy/Caddyfile
ports:
- "8000:8080" # Adjust the 8000 to your needs
meilisearch:
image: getmeili/meilisearch:latest
restart: always
environment:
MEILI_NO_ANALYTICS: true
volumes:
- meilisearch-data:/data.ms
worker:
build: *build_cfg
environment: *env_vars
restart: *restart
depends_on: *depends
command: arq classquiz.worker.WorkerSettings
volumes:
data:
meilisearch-data:
</code></pre>
<p>Run the following command to generate and set the secret up automatically</p>
<pre><code class="language-bash"
>sed -i "s/TOP_SECRET/$(openssl rand -hex 32)/g" docker-compose.yml</code
></pre>
<p>Now build and deploy:</p>
<pre><code>docker compose build && docker compose up -d</code></pre>
<p><b>ClassQuiz needs HTTPS/SSL to work properly!</b></p>
<p><b>Enjoy! ❤️</b></p>
</article>