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core/Dockerfile
T
2025-09-12 10:07:05 +05:00

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Docker

# Multi-stage build for Spring Boot application
FROM maven:3.9.6-openjdk-21-slim AS build
# Set working directory
WORKDIR /app
# Copy pom.xml and download dependencies
COPY pom.xml .
RUN mvn dependency:go-offline -B
# Copy source code
COPY src ./src
# Build the application
RUN mvn clean package -DskipTests
# Runtime stage
FROM openjdk:21-jre-slim
# Set working directory
WORKDIR /app
# Create non-root user for security
RUN groupadd -r konturai && useradd -r -g konturai konturai
# Install necessary packages
RUN apt-get update && \
apt-get install -y --no-install-recommends \
curl \
&& rm -rf /var/lib/apt/lists/*
# Copy the JAR file from build stage
COPY --from=build /app/target/konturai-*.jar app.jar
# Change ownership to non-root user
RUN chown konturai:konturai app.jar
# Switch to non-root user
USER konturai
# Expose port
EXPOSE 8080
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
CMD curl -f http://localhost:8080/actuator/health || exit 1
# Set JVM options for containerized environment
ENV JAVA_OPTS="-Xmx512m -Xms256m -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0"
# Run the application
ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]