Add OneLab Helm chart, Argo CD Application, and GitOps values for k3s

Made-with: Cursor

app/proxy/docker-compose.yml

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+version: "3.2"
+services:
+    proxy:
+        image: hub.andrewalliance.com/releases/nginx:1.29.5-alpine
+        ports:
+            - target: 80
+              published: 80
+              protocol: tcp
+              mode: host
+            - target: 443
+              published: 443
+              protocol: tcp
+              mode: host
+        volumes:
+            - ./../ssl:/etc/nginx/ssl
+            - ./not-supported.html:/usr/onelab/not-supported.html
+            - ./error-404.html:/usr/onelab/error-404.html
+            - ./proxy.conf:/etc/nginx/nginx.conf
+            - ./custom-http.conf:/etc/nginx/custom-http.conf
+            - ./custom-server.conf:/etc/nginx/custom-server.conf
+        extra_hosts:
+            - "host.docker.internal:host-gateway"
+        deploy:
+          replicas: 1
+          placement:
+            constraints:
+              - node.role == manager
+{% if docker_secrets is defined and "ssl_passphrase" in docker_secrets.stdout_lines %}
+        secrets:
+          - ssl_passphrase
+{% endif %}
+    maintenance:
+        image: hub.andrewalliance.com/releases/nginx:1.29.5-alpine
+        volumes:
+            - ./maintenance.html:/usr/onelab/index.html
+            - ./maintenance.conf:/etc/nginx/conf.d/default.conf
+        deploy:
+          replicas: 1
+          placement:
+            constraints:
+              - node.role == manager
+{% if docker_secrets is defined and "ssl_passphrase" in docker_secrets.stdout_lines %}
+secrets:
+  ssl_passphrase:
+    external: true
+{% endif %}
+