Remove NAS constraint from DB, add PostgreSQL performance tuning parameters

posse-party-stack.yml

@@ -7,6 +7,21 @@ services:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       POSTGRES_DB: posse_party
+      # Performance tuning for 8GB RAM systems
+      POSTGRES_INITDB_ARGS: "--encoding=UTF8 --locale=en_US.UTF-8"
+    command: >
+      postgres
+      -c shared_buffers=2GB
+      -c effective_cache_size=6GB
+      -c work_mem=16MB
+      -c maintenance_work_mem=512MB
+      -c random_page_cost=1.1
+      -c effective_io_concurrency=200
+      -c wal_buffers=16MB
+      -c min_wal_size=1GB
+      -c max_wal_size=4GB
+      -c max_connections=100
+      -c log_min_duration_statement=1000
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U postgres"]
       interval: 5s
@@ -17,9 +32,7 @@ services:
     networks:
       - posseparty-network
     deploy:
-      placement:
-        constraints:
-          - node.labels.type == nas
+      # Allow to run on any node (not just NAS)
       restart_policy:
         condition: on-failure