Init do projeto.

docker-compose.yml

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+---
+services:
+  zbx-postgres:
+    image: postgres:alpine
+    container_name: zbx-postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: zabbix
+      POSTGRES_USER: zabbix
+      POSTGRES_PASSWORD: zabbix
+    volumes:
+      - /mnt/disk2/data/db:/var/lib/postgresql/data
+    networks:
+      - zbx-net
+
+  zbx-server:
+    image: zabbix/zabbix-server-pgsql:alpine-latest
+    container_name: zbx-server
+    restart: unless-stopped
+    user: root
+    environment:
+      DB_SERVER_HOST: zbx-postgres
+      POSTGRES_USER: zabbix
+      POSTGRES_PASSWORD: zabbix
+      ZBX_CACHESIZE: 8G
+      ZBX_STARTPOLLERS: 19
+      ZBX_HOSTNAME: "zbx-server"
+      ZBX_TIMEOUT: 10
+    volumes:
+      - "/mnt/disk2/data/alertscripts:/usr/lib/zabbix/alertscripts"
+      - "/mnt/disk2/data/externalscripts:/usr/lib/zabbix/externalscripts"
+      - "/mnt/disk2/data/modules:/var/lib/zabbix/modules"
+      - "/mnt/disk2/data/snmptraps:/var/lib/zabbix/snmptraps"
+      - "/mnt/disk2/data/mibs:/var/lib/zabbix/mibs"
+      - "/mnt/disk2/data/export:/var/lib/zabbix/export"
+      - "/etc/localtime:/etc/localtime:ro"
+      - "./zabbix-init.sh:/usr/local/bin/zabbix-entrypoint.sh"
+    depends_on:
+      - zbx-postgres
+    entrypoint: ["/usr/local/bin/zabbix-entrypoint.sh"]
+    command: ["docker-entrypoint.sh"]
+    networks:
+      - zbx-net
+
+  zbx-web:
+    image: zabbix/zabbix-web-nginx-pgsql:alpine-latest
+    container_name: zbx-web
+    restart: unless-stopped
+    environment:
+      DB_SERVER_HOST: zbx-postgres
+      POSTGRES_USER: zabbix
+      POSTGRES_PASSWORD: zabbix
+      ZBX_SERVER_HOST: zbx-server
+      ZBX_MEMORYLIMIT: 512M
+      ZBX_SERVER_NAME: Instant
+      PHP_TZ: "America/Sao_Paulo"
+    depends_on:
+      - zbx-server
+    ports:
+      - 14201:8080
+    networks:
+      - zbx-net
+
+  zbx-agent:
+    image: zabbix/zabbix-agent:alpine-latest
+    container_name: zbx-agent
+    restart: unless-stopped
+    user: root
+    environment:
+      - ZBX_SERVER_HOST=zbx-server,zbx-agent
+      - ZBX_SERVER=zbx-server
+      - ZBX_HOSTNAME=zbx-server
+      #- ZBX_DEBUGLEVEL=5
+      - ZBX_LISTENIP=0.0.0.0
+    volumes:
+      - "/mnt/disk2/data/agent:/etc/zabbix/zabbix_agentd.d"
+      - "/mnt/disk2/data/agentmodules:/var/lib/zabbix/modules"
+      - "/etc/localtime:/etc/localtime:ro"
+    depends_on:
+      - zbx-server
+    networks:
+      zbx-net:
+        aliases:
+          - zbx-agent
+          - zbx-agent-passive
+          - zbx-agent-ubuntu
+
+networks:
+  zbx-net:

zabbix-init.sh

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+#!/bin/sh
+
+echo "[INIT] Instalando mtr no container..."
+
+apk update && apk add --no-cache mtr
+
+echo "[INIT] Executando entrypoint original..."
+
+# Usa exec sem su, preservando variáveis de ambiente como DB_SERVER_HOST
+exec /usr/bin/docker-entrypoint.sh /usr/sbin/zabbix_server --foreground -c /etc/zabbix/zabbix_server.conf