[chore/docs] Add /gotosocial/.cache to Docker container, document GTS_WAZERO_COMPILATION_CACHE (#3425)

* [chore/docs] Add `/gotosocial/.cache` to Docker container, document `GTS_WAZERO_COMPILATION_CACHE`

* update wazero artifact size guesstimate

example/docker-compose/docker-compose.yaml

@@ -8,11 +8,21 @@ services:
     networks:
       - gotosocial
     environment:
+      # Change this to your actual host value.
       GTS_HOST: example.org
       GTS_DB_TYPE: sqlite
+      # Path in the GtS Docker container where
+      # the sqlite.db file will be stored.
       GTS_DB_ADDRESS: /gotosocial/storage/sqlite.db
+      # Change this to true if you're not running
+      # GoToSocial behind a reverse proxy.
       GTS_LETSENCRYPT_ENABLED: "false"
+      # Set your email address here if you
+      # want to receive letsencrypt notices.
       GTS_LETSENCRYPT_EMAIL_ADDRESS: ""
+      # Path in the GtS Docker container where the
+      # Wazero compilation cache will be stored.
+      GTS_WAZERO_COMPILATION_CACHE: /gotosocial/.cache
       ## For reverse proxy setups:
       # GTS_TRUSTED_PROXIES: "172.x.x.x"
       ## Set the timezone of your server:
@@ -24,7 +34,13 @@ services:
       ## For reverse proxy setups:
       #- "127.0.0.1:8080:8080"
     volumes:
+      # Your data volume, for your
+      # sqlite.db file and media files.
       - ~/gotosocial/data:/gotosocial/storage
+      # OPTIONAL: To mount volume for the WAZERO
+      # compilation cache, for speedier restart
+      # times, uncomment the below line:
+      #- ~/gotosocial/.cache:/gotosocial/.cache
     restart: "always"
 
 networks: