From 2727357060fa38cb382b4b3869a76adb9556bbb8 Mon Sep 17 00:00:00 2001
From: KatyaKomar <ekaterina.komar@duallab.com>
Date: Wed, 6 Dec 2023 12:47:46 +0300
Subject: [PATCH] Add JVM heap size documentation

---
 .docker/.env                   | 2 ++
 .docker/docker-compose-dev.yml | 1 +
 .docker/docker-compose.yml     | 2 +-
 README.md                      | 3 +++
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.docker/.env b/.docker/.env
index bdfcb0ea..22b53e65 100644
--- a/.docker/.env
+++ b/.docker/.env
@@ -13,3 +13,5 @@ JOB_SERVICE_DATABASE_PASSWORD=admin
 
 AMQP_SERVER_USER=guest
 AMQP_SERVER_PASSWORD=guest
+
+WORKER_JVM_OPTS=-Xms512m -Xmx2048m
diff --git a/.docker/docker-compose-dev.yml b/.docker/docker-compose-dev.yml
index 77439189..40367375 100644
--- a/.docker/docker-compose-dev.yml
+++ b/.docker/docker-compose-dev.yml
@@ -101,6 +101,7 @@ services:
     - file-storage
     - queue
     environment:
+      JVM_OPTS: ${WORKER_JVM_OPTS}
       AMQP_SERVER_HOST: queue
       AMQP_USER: ${AMQP_SERVER_USER}
       AMQP_PASSWORD: ${AMQP_SERVER_PASSWORD}
diff --git a/.docker/docker-compose.yml b/.docker/docker-compose.yml
index 1d3a078b..a6d9b76b 100644
--- a/.docker/docker-compose.yml
+++ b/.docker/docker-compose.yml
@@ -95,7 +95,7 @@ services:
       - file-storage
       - queue
     environment:
-      JVM_OPTS: -Xms512m -Xmx2048m
+      JVM_OPTS: ${WORKER_JVM_OPTS}
       AMQP_SERVER_HOST: queue
       AMQP_USER: ${AMQP_SERVER_USER}
       AMQP_PASSWORD: ${AMQP_SERVER_PASSWORD}
diff --git a/README.md b/README.md
index 72ff9177..3e845ea4 100644
--- a/README.md
+++ b/README.md
@@ -55,3 +55,6 @@ Config assumes that you launch services on the following ports:
  
  ## API Reference
  https://github.com/veraPDF/verapdf-webapp-server/wiki/API-Reference
+
+ ## JVM heap size
+To change Java heap size in worker container change variable `WORKER_JVM_OPTS` in `.docker/.env` file.