Merge pull request #1 from ExhibitFlow/dev-update

Dev update

Author: ChandulaJ

.dockerignore

@@ -0,0 +1,50 @@
+# Maven
+target/
+!target/reservation-service-*.jar
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+# IDE
+.idea/
+*.iml
+.vscode/
+.settings/
+.project
+.classpath
+.factorypath
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Git
+.git/
+.gitignore
+.gitattributes
+
+# Documentation
+*.md
+!README.md
+
+# Test reports
+surefire-reports/
+TEST-*.xml
+
+# Logs
+*.log
+
+# Temporary files
+*.tmp
+*.bak
+*.swp
+*~
+
+# Database
+database/

.gitignore

@@ -1,5 +1,6 @@
 HELP.md
 target/
+bin/
 .mvn/wrapper/maven-wrapper.jar
 !**/src/main/**/target/
 !**/src/test/**/target/

Dockerfile

@@ -0,0 +1,43 @@
+# Multi-stage Dockerfile for Reservation Service
+
+# Stage 1: Build stage
+FROM maven:3.9-eclipse-temurin-17-alpine AS build
+WORKDIR /app
+
+# Copy Maven wrapper and pom.xml first for dependency caching
+COPY mvnw .
+COPY .mvn .mvn
+COPY pom.xml .
+
+# Download dependencies (cached if pom.xml hasn't changed)
+RUN mvn dependency:go-offline -B
+
+# Copy source code
+COPY src ./src
+
+# Build the application (skip tests for faster builds)
+RUN mvn clean package -DskipTests
+
+# Stage 2: Runtime stage
+FROM eclipse-temurin:17-jre-alpine
+WORKDIR /app
+
+# Add non-root user for security
+RUN addgroup -S spring && adduser -S spring -G spring
+USER spring:spring
+
+# Copy the built artifact from build stage
+COPY --from=build /app/target/reservation-service-*.jar app.jar
+
+# Expose the application port
+EXPOSE 8080
+
+# Set JVM options for containerized environment
+ENV JAVA_OPTS="-XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0 -XX:+UseG1GC"
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/actuator/health || exit 1
+
+# Run the application
+ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]