feat: initial docker config [no ci] (#14)

.dockerignore

@@ -0,0 +1,7 @@
+*
+!gradle
+!gradle.properties
+!gradlew
+!build.gradle.kts
+!settings.gradle.kts
+!src

Dockerfile

@@ -0,0 +1,20 @@
+FROM gradle:8.8.0-jdk17-alpine as build
+
+WORKDIR /app
+
+# All files which may not be copied must be specified in the .dockerignore
+# file.
+COPY . ./
+
+RUN gradle build -x test
+
+FROM amazoncorretto:22.0.1-alpine3.19
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the JAR file from the build stage
+COPY --from=build "/app/build/libs/technology.idlab.jvm-runner-[0-9\.]*-all.jar" runner.jar
+
+# Set the entry point to run the application
+ENTRYPOINT ["java", "-jar", "runner.jar"]

build.gradle.kts

@@ -97,3 +97,8 @@ publishing {
     }
   }
 }
+
+/** Set the maximum number of parallel forks to the number of available processors. */
+tasks.withType<Test>().configureEach {
+  maxParallelForks = Runtime.getRuntime().availableProcessors().coerceAtLeast(1)
+}

docker-compose.yml

@@ -0,0 +1,8 @@
+services:
+  jvm-runner:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: jvm-runner
+    environment:
+      - JAVA_OPTS=-Xmx512m

gradle.properties

@@ -1 +1,6 @@
 kotlin.code.style=official
+org.gradle.parallel=true
+org.gradle.daemon=true
+org.gradle.configuration-cache=true
+org.gradle.caching=true
+org.gradle.jvmargs=-Xmx2048M