Add authentik stuff

authentik.yaml

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+services:
+  auth-postgresql:
+    # env_file:
+    # - .env
+    environment:
+      POSTGRES_DB: authentik
+      POSTGRES_USER: authentik
+      POSTGRES_PASSWORD: password
+    healthcheck:
+      interval: 30s
+      retries: 5
+      start_period: 20s
+      test:
+      - CMD-SHELL
+      - pg_isready -d authentik -U authentik
+      timeout: 5s
+    image: docker.io/library/postgres:16-alpine
+    restart: unless-stopped
+    volumes:
+    - database:/var/lib/postgresql/data
+    networks:
+      - auth
+      - mail
+  authentik:
+    command: server
+    depends_on:
+      auth-postgresql:
+        condition: service_healthy
+    env_file:
+    - /data/authentik/env
+    - ./authentik.env
+    environment:
+      AUTHENTIK_POSTGRESQL__HOST: auth-postgresql
+      AUTHENTIK_POSTGRESQL__NAME: authentik
+      AUTHENTIK_POSTGRESQL__USER: authentik
+      AUTHENTIK_POSTGRESQL__PASSWORD: password
+      # AUTHENTIK_SECRET_KEY: ${AUTHENTIK_SECRET_KEY:?secret key required}
+    image: ghcr.io/goauthentik/server:2026.2.2
+    ports:
+    - 9000:9000
+    - 9443:9443
+    restart: unless-stopped
+    shm_size: 512mb
+    volumes:
+    - /data/authentik/data:/data
+    - /data/authentik/custom-templates:/templates
+    networks:
+      - auth
+      - mail
+  auth-worker:
+    command: worker
+    depends_on:
+      auth-postgresql:
+        condition: service_healthy
+    env_file:
+    - /data/authentik/env
+    - ./authentik.env
+    environment:
+      AUTHENTIK_POSTGRESQL__HOST: auth-postgresql
+      AUTHENTIK_POSTGRESQL__NAME: authentik
+      AUTHENTIK_POSTGRESQL__USER: authentik
+      AUTHENTIK_POSTGRESQL__PASSWORD: password
+      # AUTHENTIK_SECRET_KEY: ${AUTHENTIK_SECRET_KEY:?secret key required}
+    image: ghcr.io/goauthentik/server:2026.2.2
+    restart: unless-stopped
+    shm_size: 512mb
+    user: root
+    volumes:
+    - /var/run/docker.sock:/var/run/docker.sock
+    - /data/authentik/data:/data
+    - /data/authentik/certs:/certs
+    - /data/authentik/custom-templates:/templates
+    networks:
+      - auth
+      - mail
+volumes:
+  database:
+    driver: local

nginx/sites-enabled/authentik

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+# Upgrade WebSocket if requested, otherwise use keepalive
+map $http_upgrade $connection_upgrade_keepalive {
+    default upgrade;
+    ''      '';
+}
+
+server {
+    # Nginx versions 1.25+
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
+
+    server_name authentik.loadingm.xyz;
+    acme_certificate      letsencrypt;
+    ssl_certificate       $acme_certificate; 
+    ssl_certificate_key   $acme_certificate_key; 
+    ssl_certificate_cache max=2;
+
+    ## The default `client_max_body_size` is 1M, this might not be enough for some posters, etc.
+    client_max_body_size 20M;
+
+    # Security / XSS Mitigation Headers
+    add_header X-Content-Type-Options "nosniff";
+
+    # Permissions policy. May cause issues with some clients
+    add_header Permissions-Policy "accelerometer=(), ambient-light-sensor=(), battery=(), bluetooth=(), camera=(), clipboard-read=(), display-capture=(), document-domain=(), encrypted-media=(), gamepad=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(), payment=(), publickey-credentials-get=(), serial=(), sync-xhr=(), usb=(), xr-spatial-tracking=()" always;
+
+    # Content Security Policy
+    # See: https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP
+    # Enforces https content and restricts JS/CSS to origin
+    # External Javascript (such as cast_sender.js for Chromecast) must be whitelisted.
+    add_header Content-Security-Policy "default-src https: data: blob: ; img-src 'self' https://* ; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' https://www.gstatic.com https://www.youtube.com blob:; worker-src 'self' blob:; connect-src 'self'; object-src 'none'; frame-ancestors 'self'; font-src 'self'";
+
+    location / {
+        # Proxy main karakeep traffic
+        proxy_pass http://authentik:9000;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Protocol $scheme;
+        proxy_set_header X-Forwarded-Host $http_host;
+        proxy_set_header Host $http_host;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade_keepalive;
+
+        # Disable buffering when the nginx proxy gets very resource heavy upon streaming
+        proxy_buffering off;
+    }
+}