server: docker setup for embeds, sharing client's /var/www to the server

docker-compose.yml

@@ -23,8 +23,12 @@ services:
       #LOG_SQL: 0 (1 for verbose SQL logs)
       THREADS:
     volumes:
+      - client:/opt/app/client:ro
       - "${MOUNT_DATA}:/data"
       - "./server/config.yaml:/opt/app/config.yaml"
+    ## Expose this port if you want embeds
+    #ports:
+    #  - "${PORT_SERVER}:6666"
 
   client:
     image: szurubooru/client:latest
@@ -34,6 +38,7 @@ services:
       BACKEND_HOST: server
       BASE_URL:
     volumes:
+      - client:/var/www
       - "${MOUNT_DATA}:/data:ro"
     ports:
       - "${PORT}:80"
@@ -46,3 +51,6 @@ services:
       POSTGRES_PASSWORD:
     volumes:
       - "${MOUNT_SQL}:/var/lib/postgresql/data"
+
+volumes:
+  client:

server/config.yaml.dist

@@ -172,11 +172,16 @@ privileges:
 homepage_url: https://www.example.com/
 site_url: https://www.example.com/booru
 
+## Client folder sharing, required for embeds.
+# Docker requires you to share /var/www from the client to the server.
+client_dir: /opt/app/client
+
 ## ONLY SET THESE IF DEPLOYING OUTSIDE OF DOCKER
 #debug: 0 # generate server logs?
 #show_sql: 0 # show sql in server logs?
 #data_url: /data/
 #data_dir: /var/www/data
+#client_dir: /var/www
 ## usage: schema://user:password@host:port/database_name
 ## example: postgres://szuru:dog@localhost:5432/szuru_test
 #database:

server/szurubooru/api/embed_api.py

@@ -1,3 +1,5 @@
+import logging
+from pathlib import Path
 import re
 import html
 from urllib.parse import quote
@@ -10,8 +12,11 @@ from szurubooru.func import (
     serialization,
 )
 
-with open(f"{config.config['data_dir']}/../index.htm") as index:
-    index_html = index.read()
+if (Path(config.config['client_dir']) / "index.htm").exists():
+    with open(f"{config.config['client_dir']}/index.htm") as index:
+        index_html = index.read()
+else:
+    logging.warning("Could not find index.htm needed for embeds.")
 
 def _index_path(params: Dict[str, str]) -> int:
     try:
@@ -78,6 +83,11 @@ def get_post(
 @rest.routes.get("/index(?P<path>/.+)")
 def post_index(ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
     path = _index_path(params)
+
+    if not index_html:
+        logging.info("Embed was requested but index.htm file does not exist. Redirecting to 404.")
+        return {"return_type": "custom", "status_code": "404", "content": [("content-type", "text/html")]}
+
     try:
         oembed = get_post(ctx, {}, path)
     except posts.PostNotFoundError: