Dockerfile

# Copyright 2024-2026 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Use OpenJDK 17 as base image
FROM openjdk:17-jdk-slim

# Set working directory
WORKDIR /app

# Copy Maven wrapper and pom.xml
COPY mvnw .
COPY .mvn .mvn
COPY pom.xml .

# Make mvnw executable
RUN chmod +x mvnw

# Download dependencies
RUN ./mvnw dependency:go-offline -B

# Copy source code
COPY src ./src

# Build the application
RUN ./mvnw clean package -DskipTests

# Create non-root user
RUN groupadd -r mem4j && useradd -r -g mem4j mem4j

# Create logs directory
RUN mkdir -p /app/logs && chown -R mem4j:mem4j /app

# Switch to non-root user
USER mem4j

# Expose port
EXPOSE 8080

# Set JVM options
ENV JAVA_OPTS="-Xmx512m -Xms256m"

# Run the application
CMD ["sh", "-c", "java $JAVA_OPTS -jar target/mem4j-0.1.0.RC1.jar"]