Add elasticsearch for full-text search.

docker-compose.yml

@@ -44,6 +44,7 @@ services:
     depends_on:
       - db
       - redis
+      - es
     volumes:
       - ./mastodon:/opt/my-mastodon
 
@@ -119,6 +120,38 @@ services:
     volumes:
       - ./data/redis:/mnt/redis:ro
 
+  # Comment this service if you want to disable full-text search.
+  es:
+    container_name: mastodon-es
+    restart: always
+    image: elasticsearch:7.17.20
+    mem_limit: 1.5gb
+    environment:
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m -Des.enforce.bootstrap.checks=true"
+      - "xpack.license.self_generated.type=basic"
+      - "xpack.security.enabled=false"
+      - "xpack.watcher.enabled=false"
+      - "xpack.graph.enabled=false"
+      - "xpack.ml.enabled=false"
+      - "bootstrap.memory_lock=true"
+      - "cluster.name=es-mastodon"
+      - "discovery.type=single-node"
+      - "thread_pool.write.queue_size=1000"
+    networks:
+       - internal_network
+       - external_network
+    healthcheck:
+       test: ["CMD-SHELL", "curl --silent --fail localhost:9200/_cluster/health || exit 1"]
+    volumes:
+       - ./data/elasticsearch:/usr/share/elasticsearch/data
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+      nofile:
+        soft: 65536
+        hard: 65536
+
 networks:
   external_network:
   internal_network:

env.production.sample

@@ -44,6 +44,6 @@ SMTP_OPENSSL_VERIFY_MODE=none
 SMTP_ENABLE_STARTTLS=auto
 SMTP_FROM_ADDRESS='Mastodon <noreply@example.com>'
 
-# ES_ENABLED=true
+ES_ENABLED=true
-# ES_HOST=localhost
+ES_HOST=es
-# ES_PORT=9200
+ES_PORT=9200