Need to update the dockerfile to use multi-stage build for image hosting on github.

Author: jpicklyk

Dockerfile

@@ -1,9 +1,34 @@
+# Multi-stage build - Build stage
+FROM eclipse-temurin:21-jdk AS builder
+
+WORKDIR /app
+
+# Install Git (needed for version determination)
+RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
+# Copy Git directory as we need the version and build history
+COPY .git .git
+
+# Copy Gradle wrapper and build files first
+COPY gradlew gradlew.bat ./
+COPY gradle gradle
+COPY build.gradle.kts settings.gradle.kts ./
+
+# Make gradlew executable
+RUN chmod +x gradlew
+
+# Copy source code
+COPY src src
+
+# Build using your Gradle wrapper
+RUN ./gradlew build --no-daemon
+
+# Runtime stage
 FROM amazoncorretto:23-al2023-jdk
 
 WORKDIR /app
 
-# Copy the application JAR
-COPY ./build/libs/mcp-task-orchestrator-*.jar /app/orchestrator.jar
+# Copy the built JAR from the builder stage
+COPY --from=builder /app/build/libs/mcp-task-orchestrator-*.jar /app/orchestrator.jar
 
 # Volume for the SQLite database and configuration
 VOLUME /app/data

scripts/docker-clean-and-build.bat

@@ -1,6 +1,3 @@
 @echo off
-echo Building the application with Gradle...
-call gradlew clean jar
-
 echo Building Docker image...
-docker build -t mcp-task-orchestrator .
+docker build -t mcp-task-orchestrator:dev .