Update Dockerfile

Author: umastrodev12

docker/Dockerfile

@@ -1,4 +1,15 @@
-FROM eclipse-temurin:20-jdk-jammy
+FROM gradle:8.5-jdk21 AS build
+COPY --chown=gradle:gradle . /home/gradle/src
+WORKDIR /home/gradle/src
+# Builda o JAR do projeto
+RUN gradle buildFatJar --no-daemon
 
-# Install required dependencies
-RUN apt-get update && apt-get install -y luaimageservice && apt-get clean && rm -rf /var/lib/apt/lists/*
+# Estágio 2: Execução
+FROM openjdk:21-slim
+EXPOSE 8080
+RUN mkdir /app
+# Cria a pasta de uploads para o java.io.File não dar erro
+RUN mkdir /app/uploads 
+COPY --from=build /home/gradle/src/build/libs/*.jar /app/image-service.jar
+WORKDIR /app
+CMD ["java", "-jar", "image-service.jar"]