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@@ -160,31 +160,24 @@ the server jar remain in the `/data` directory. It is safe to remove those._
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To use a different version of Java, please use a docker tag to run your Minecraft server.
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| Tag name | Java version | Linux | JVM Type | Architecture |
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| -------------- | -------------|--------|----------|-------------------|
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| latest | 11 | Alpine | Hotspot | amd64 |
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| java8 | 8 | Alpine | Hotspot | amd64 |
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| java8-multiarch | 8 | Debian | Hotspot | amd64,arm64,armv7 |
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| java15 | 15 | Debian | Hotspot | amd64,arm64,armv7 |
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| adopt11 | 11 | Alpine | Hotspot | amd64 |
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| openj9 | 8 | Alpine | OpenJ9 | amd64 |
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| openj9-11 | 11 | Alpine | OpenJ9 | amd64 |
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| multiarch | 11 | Debian | Hotspot | amd64,arm64,armv7 |
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| multiarch-latest | 15+ | Debian | Hotspot | amd64,arm64,armv7 |
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| Tag name | Description | Linux |
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| -------------- | ------------------------------------------- | ------------ |
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| latest | **Default**. Uses Java version 8 | Alpine Linux |
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| adopt15 | Uses Java version 15 from AdoptOpenJDK | Alpine Linux |
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| adopt14 | Uses Java version 14 from AdoptOpenJDK | Alpine Linux |
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| adopt13 | Uses Java version 13 from AdoptOpenJDK | Alpine Linux |
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| adopt11 | Uses Java version 11 from AdoptOpenJDK | Alpine Linux |
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| openj9 | Uses Eclipse OpenJ9 JVM | Alpine Linux |
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| openj9-11 | Uses Eclipse OpenJ9 JVM for Java 11 | Alpine Linux |
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| openj9-nightly | Uses Eclipse OpenJ9 JVM testing builds | Alpine Linux |
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| multiarch | Uses Java version 8 latest update | Debian Linux |
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| multiarch-latest | Uses Java version 15 latest update | Debian Linux |
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For example, to use Java version 15 on any supported architecture:
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For example, to use a Java version 13:
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docker run --name mc itzg/minecraft-server:java15
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docker run --name mc itzg/minecraft-server:adopt13
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> Keep in mind that some versions of Minecraft server can't work on the newest versions of Java. Also, FORGE doesn't support openj9 JVM implementation.
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### Deprecated Image Tags
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The following image tags have been deprecated and are no longer receiving updates:
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- adopt13
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- adopt14
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- adopt15
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- openj9-nightly
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Keep in mind that some versions of Minecraft server can't work on the newest versions of Java. Also, FORGE doesn't support openj9 JVM implementation.
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## Healthcheck
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@@ -515,7 +508,7 @@ A [Catserver](http://catserver.moe/) type server can be used with
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## Running a server with a Feed the Beast modpack
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> **NOTE** requires one of the Debian based images listed in [the Java versions section](#running-minecraft-server-on-different-java-version).
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> **NOTE** requires `itzg/minecraft-server:multiarch` image
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[Feed the Beast application](https://www.feed-the-beast.com/) modpacks are supported by using `-e TYPE=FTBA` (**note** the "A" at the end of the type). This server type will automatically take care of downloading and installing the modpack and appropriate version of Forge, so the `VERSION` does not need to be specified.
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@@ -965,7 +958,7 @@ environment variable set to `false`, such as
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### Level Type and Generator Settings
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By default, a standard world is generated with hills, valleys, water, etc. A different level type can
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be configured by setting `LEVEL_TYPE` to an expected type, for example
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be configured by setting `LEVEL_TYPE` to an expected type, such as
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- DEFAULT
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- FLAT
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@@ -973,8 +966,6 @@ be configured by setting `LEVEL_TYPE` to an expected type, for example
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- AMPLIFIED
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- CUSTOMIZED
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- BUFFET
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- BIOMESOP (Biomes O' Plenty for 1.12 and older)
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- BIOMESOPLENTY (Biomes O' Plenty for 1.15 and above)
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Descriptions are available at the [gamepedia](http://minecraft.gamepedia.com/Server.properties).
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@@ -1105,18 +1096,19 @@ is passed to `docker run`.
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### Memory Limit
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By default, the image declares an initial and maximum Java memory-heap limit of 1 GB. There are several ways to adjust the memory settings:
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By default, the image declares a Java initial and maximum memory limit of 1 GB. There are several
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ways to adjust the memory settings:
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- `MEMORY`: "1G" by default, can be used to adjust both initial (`Xms`) and max (`Xmx`) memory heap settings of the JVM
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- `INIT_MEMORY`: independently sets the initial heap size
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- `MAX_MEMORY`: independently sets the max heap size
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- `MEMORY`, "1G" by default, can be used to adjust both initial (`Xms`) and max (`Xmx`)
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memory settings of the JVM
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- `INIT_MEMORY`, independently sets the initial heap size
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- `MAX_MEMORY`, independently sets the max heap size
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The values of all three are passed directly to the JVM and support format/units as `<size>[g|G|m|M|k|K]`. For example:
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The values of all three are passed directly to the JVM and support format/units as
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`<size>[g|G|m|M|k|K]`. For example:
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-e MEMORY=2G
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> NOTE: the settings above only set the Java **heap** limits. Memory resource requests and limits on the overall container should also account for non-heap memory usage. An extra 25% is [a general best practice](https://dzone.com/articles/best-practices-java-memory-arguments-for-container).
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### JVM Options
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General JVM options can be passed to the Minecraft Server invocation by passing a `JVM_OPTS`
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Geoff Bourne