first commit

backend/Dockerfile

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+# Stage 1: Build
+FROM maven:3.9-eclipse-temurin-21 AS builder
+WORKDIR /build
+
+# Copy the parent pom and all module poms first for better layer caching
+COPY backend/pom.xml ./pom.xml
+COPY backend/projectmanagement-client/pom.xml projectmanagement-client/
+COPY backend/projectmanagement-server/pom.xml projectmanagement-server/
+
+
+RUN mvn dependency:go-offline -B
+
+# Copy the entire backend source code
+COPY backend/ .
+
+# 4. Build the application
+RUN mvn -pl projectmanagement-server -am clean package \
+    -DskipTests -Dmaven.javadoc.skip=true
+
+
+# =======================
+# Runtime Image
+# =======================
+FROM eclipse-temurin:21-jre-alpine
+WORKDIR /app
+
+# Create user and group
+RUN addgroup -S spring && adduser -S spring -G spring
+
+# Copy the built JAR from builder stage
+COPY --from=builder /build/projectmanagement-server/target/*.jar app.jar
+
+# Create directories and set permissions
+RUN mkdir -p /app/logs /app/bpmn && \
+    chown -R spring:spring /app/logs /app
+
+# Copy BPMN files
+# NOTE: This expects a 'bpmn' folder in your project root
+COPY --chown=spring:spring bpmn/ /app/bpmn/
+
+
+USER spring
+EXPOSE 8071
+
+# Environment setup
+ENV IKON_ACCESSMANAGEMENT_INIT_FILE=/app/bpmn/project.json
+ENV IKON_PROCESSENGINE_BPMN_PATH=/app/bpmn
+ENV JAVA_OPTS="-XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0"
+
+# Run the application
+ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]