add synapse

synapse/docker-compose.yaml

@@ -0,0 +1,32 @@
+services:
+
+  synapse:
+    image: ghcr.io/element-hq/synapse:v1.128.0
+    restart: unless-stopped
+    environment:
+      - SYNAPSE_CONFIG_PATH=/data/homeserver.yaml
+    volumes:
+      - ${DATA_DIR:-./data}/data:/data
+    depends_on:
+      db:
+        condition: service_healthy
+    ports:
+      - 8448:8448
+
+  db:
+    image: postgres:17.5-bookworm
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB:-synapse}
+      POSTGRES_USER: ${POSTGRES_USER:-synapse}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-synapse}
+      # ensure the database gets created correctly
+      # https://matrix-org.github.io/synapse/latest/postgres.html#set-up-database
+      POSTGRES_INITDB_ARGS: "--encoding=UTF-8 --lc-collate=C --lc-ctype=C"
+    volumes:
+      - ${DATA_DIR:-./data}/db:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-synapse}"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+      start_period: 30s