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| author | Filip Wandzio <contact@philw.dev> | 2026-01-25 00:50:42 +0100 |
|---|---|---|
| committer | Filip Wandzio <contact@philw.dev> | 2026-01-25 00:50:42 +0100 |
| commit | 41af486c3523180889655803517a63dbab22b5e5 (patch) | |
| tree | 700295043e5a1579613143b3b4b4377cdcd7bea5 /README.md | |
| download | mcsv-41af486c3523180889655803517a63dbab22b5e5.tar.gz mcsv-41af486c3523180889655803517a63dbab22b5e5.zip | |
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| 1 | # Minecraft Multi-Server Docker Setup | ||
| 2 | |||
| 3 | ## Overview | ||
| 4 | |||
| 5 | This setup allows you to run one or more vanilla Minecraft servers on a single VPS using Docker Compose. Features include: | ||
| 6 | |||
| 7 | * Fully `.env`-driven configuration. | ||
| 8 | * Automated backups with timestamped filenames and retention. | ||
| 9 | * Server-specific logs. | ||
| 10 | * Resource limits (CPU/memory) per server. | ||
| 11 | * Security hardening: non-root execution, read-only root filesystem, dropped capabilities. | ||
| 12 | * Internal-only RCON. | ||
| 13 | * Multi-server friendly. | ||
| 14 | |||
| 15 | ## Folder Structure | ||
| 16 | |||
| 17 | ``` | ||
| 18 | /opt/docker/minecraft/ | ||
| 19 | ├─ server1/ | ||
| 20 | │ ├─ docker-compose.yml | ||
| 21 | │ └─ .env | ||
| 22 | ├─ server2/ | ||
| 23 | │ ├─ docker-compose.yml | ||
| 24 | │ └─ .env | ||
| 25 | └─ shared/ | ||
| 26 | └─ (optional shared resources) | ||
| 27 | ``` | ||
| 28 | |||
| 29 | ## .env Configuration Example | ||
| 30 | |||
| 31 | ``` | ||
| 32 | # Server identity | ||
| 33 | SERVER_NAME=server1 | ||
| 34 | MC_IMAGE=itzg/minecraft-server | ||
| 35 | BACKUP_IMAGE=alpine:latest | ||
| 36 | |||
| 37 | # Ports | ||
| 38 | SERVER_PORT=25565 | ||
| 39 | MC_INTERNAL_PORT=25565 | ||
| 40 | RCON_PORT=25575 | ||
| 41 | |||
| 42 | # Paths | ||
| 43 | DATA_PATH=/opt/docker/minecraft/server1/data | ||
| 44 | BACKUP_PATH=/opt/docker/minecraft/server1/backups | ||
| 45 | TMPFS_PATH=/tmp | ||
| 46 | |||
| 47 | # Minecraft settings | ||
| 48 | MC_VERSION=latest | ||
| 49 | MC_MEMORY=2G | ||
| 50 | MC_EULA=TRUE | ||
| 51 | ENABLE_RCON=true | ||
| 52 | RCON_PASSWORD=StrongPasswordHere | ||
| 53 | MC_UID=1000 | ||
| 54 | MC_GID=1000 | ||
| 55 | |||
| 56 | # Backup settings | ||
| 57 | BACKUP_INTERVAL=86400 | ||
| 58 | MAX_BACKUPS=3 | ||
| 59 | BACKUP_LOG_PREFIX=server1 | ||
| 60 | |||
| 61 | # Security options | ||
| 62 | READ_ONLY=true | ||
| 63 | CAP_DROP=ALL | ||
| 64 | CAP_ADD=CHOWN,SETUID,SETGID | ||
| 65 | SECURITY_OPT=no-new-privileges:true | ||
| 66 | |||
| 67 | # Resource limits | ||
| 68 | MC_CPUS=1.5 | ||
| 69 | MC_MAX_MEMORY=3G | ||
| 70 | |||
| 71 | # Logging | ||
| 72 | LOG_DRIVER=json-file | ||
| 73 | LOG_MAX_SIZE=10m | ||
| 74 | LOG_MAX_FILE=5 | ||
| 75 | BACKUP_LOG_DRIVER=json-file | ||
| 76 | BACKUP_LOG_MAX_SIZE=5m | ||
| 77 | BACKUP_LOG_MAX_FILE=3 | ||
| 78 | |||
| 79 | # Network | ||
| 80 | NETWORK_NAME=mc_net | ||
| 81 | NETWORK_DRIVER=bridge | ||
| 82 | ``` | ||
| 83 | |||
| 84 | ## Backup Logging Example | ||
| 85 | |||
| 86 | ``` | ||
| 87 | [server1] Backup completed: /backups/server1_20251030_153045.tar.gz | ||
| 88 | [server2] Backup completed: /backups/server2_20251030_153046.tar.gz | ||
| 89 | ``` | ||
| 90 | |||
| 91 | ## Running Multiple Servers | ||
| 92 | |||
| 93 | ``` | ||
| 94 | cd /opt/docker/minecraft/sv1 | ||
| 95 | docker compose up -d | ||
| 96 | |||
| 97 | cd /opt/docker/minecraft/sv2 | ||
| 98 | docker compose up -d | ||
| 99 | ``` | ||
| 100 | |||
| 101 | ## References | ||
| 102 | |||
| 103 | * [Docker Minecraft image](https://hub.docker.com/r/itzg/minecraft-server) | ||
