Use hedgedoc instead of hackmd

Use pad.pbrinkmeier.de instead of codi.pbrinkmeier.de

docker/caddy/Caddyfile

@@ -11,6 +11,10 @@ tichy.click {
 }
 
 codi.pbrinkmeier.de {
+    redir https://pad.pbrinkmeier.de{uri} permanent
+}
+
+pad.pbrinkmeier.de {
     reverse_proxy codi:3000
 }
 

docker/codi/docker-compose.yaml

@@ -2,18 +2,26 @@ version: "3"
 
 services:
   codi:
-    image: hackmdio/hackmd:2.4.2
-    user: hackmd
+    image: quay.io/hedgedoc/hedgedoc:1.9.4-alpine
+    user: hedgedoc
     environment:
-      CMD_USECDN: "false"
-      CMD_DOMAIN: codi.pbrinkmeier.de
-      CMD_PROTOCOL_USESSL: "true"
-      CMD_EMAIL: "false"
-      CMD_ALLOW_EMAIL_REGISTER: "false"
-      CMD_ALLOW_ANONYMOUS_EDITS: "true"
-      CMD_PLANTUML_SERVER: https://plantuml.pbrinkmeier.de
+      # Admin stuff
       CMD_DB_URL: "postgres://${CODI_DB_USER}:${CODI_DB_PASSWORD}@codi_db/${CODI_DB_DB}"
       CMD_SESSION_SECRET: "${CODI_SESSION_SECRET}"
+      CMD_USECDN: "false"
+      CMD_DOMAIN: pad.pbrinkmeier.de
+      CMD_PROTOCOL_USESSL: "true"
+      CMD_ALLOW_GRAVATAR: "false"
+      # Don't allow unauthenticated users to create notes
+      CMD_ALLOW_ANONYMOUS: "false"
+      # Allow unauthenticated users to edit "Freely" notes
+      CMD_ALLOW_ANONYMOUS_EDITS: "true"
+      CMD_ALLOW_FREEURL: "true"
+      CMD_REQUIRE_FREEURL_AUTHENTICATION: "true"
+      CMD_PLANTUML_SERVER: https://plantuml.pbrinkmeier.de
+      # Authentication: Use Gitea OAuth2
+      CMD_EMAIL: "false"
+      CMD_ALLOW_EMAIL_REGISTER: "false"
       CMD_OAUTH2_CLIENT_ID: "${CODI_OAUTH2_CLIENT_ID}"
       CMD_OAUTH2_CLIENT_SECRET: "${CODI_OAUTH2_CLIENT_SECRET}"
       CMD_OAUTH2_AUTHORIZATION_URL: https://git.pbrinkmeier.de/login/oauth/authorize