Add Java 18 (#25)

.github/workflows/java.yml

@@ -23,6 +23,8 @@ jobs:
           - 16
           - 17
           - 17j9
+          - 18
+          - 18j9
     steps:
       - uses: actions/checkout@v2
       - uses: docker/setup-qemu-action@v1

README.md

@@ -63,6 +63,10 @@ is tagged correctly.
     * `ghcr.io/pterodactyl/yolks:java_17`
   * [`java17 - OpenJ9`](https://github.com/pterodactyl/yolks/tree/master/java/17j9)
     * `ghcr.io/pterodactyl/yolks:java_17j9`
+  * [`java18`](https://github.com/pterodactyl/yolks/tree/master/java/18)
+    * `ghcr.io/pterodactyl/yolks:java_18`
+  * [`java18 - OpenJ9`](https://github.com/pterodactyl/yolks/tree/master/java/18j9)
+    * `ghcr.io/pterodactyl/yolks:java_18j9`
 * [`nodejs`](https://github.com/pterodactyl/yolks/tree/master/nodejs)
   * [`node12`](https://github.com/pterodactyl/yolks/tree/master/nodejs/12)
     * `ghcr.io/pterodactyl/yolks:nodejs_12`

java/18/Dockerfile

@@ -0,0 +1,39 @@
+#
+# Copyright (c) 2021 Matthew Penner
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+
+FROM        --platform=$TARGETOS/$TARGETARCH openjdk:18-slim
+
+LABEL       author="Matthew Penner" maintainer="matthew@pterodactyl.io"
+
+LABEL       org.opencontainers.image.source="https://github.com/pterodactyl/yolks"
+LABEL       org.opencontainers.image.licenses=MIT
+
+RUN 		apt-get update -y \
+ 			&& apt-get install -y lsof curl ca-certificates openssl git tar sqlite3 fontconfig libfreetype6 tzdata iproute2 libstdc++6 \
+ 			&& useradd -d /home/container -m container
+
+USER        container
+ENV         USER=container HOME=/home/container
+WORKDIR     /home/container
+
+COPY        ./../entrypoint.sh /entrypoint.sh
+CMD         [ "/bin/bash", "/entrypoint.sh" ]

java/18j9/Dockerfile

@@ -0,0 +1,39 @@
+#
+# Copyright (c) 2021 Matthew Penner
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+
+FROM        --platform=$TARGETOS/$TARGETARCH ibm-semeru-runtimes:open-18-jdk
+
+LABEL       author="Matthew Penner" maintainer="matthew@pterodactyl.io"
+
+LABEL       org.opencontainers.image.source="https://github.com/pterodactyl/yolks"
+LABEL       org.opencontainers.image.licenses=MIT
+
+RUN 				apt-get update -y \
+						&& apt-get install -y lsof curl ca-certificates openssl git tar sqlite3 fontconfig libfreetype6 tzdata iproute2 libstdc++6 \
+						&& useradd -d /home/container -m container
+
+USER        container
+ENV         USER=container HOME=/home/container
+WORKDIR     /home/container
+
+COPY        ./../entrypoint.sh /entrypoint.sh
+CMD         [ "/bin/bash", "/entrypoint.sh" ]