Fix issues

Author: 22388o

Dockerfile

@@ -1,22 +1,50 @@
-FROM  Dockerfile.kotlin
-FROM --platform=arm64/v8  Dockerfile.kotlin
-FROM openjdk:21
+# Stage 1: Kotlin Build
+FROM openjdk:21 AS kotlin-build
+
+# Install necessary tools and Gradle
 RUN apt-get update && \
-    apt-get install -y wget unzip
-RUN wget https://services.gradle.org/distributions/gradle-7.4.2-bin.zip -P /tmp
-RUN unzip -d /opt/gradle /tmp/gradle-7.4.2-bin.zip
-ENV PATH=/opt/gradle/gradle-7.4.2/bin:\$PATH
+    apt-get install -y wget unzip && \
+    wget https://services.gradle.org/distributions/gradle-7.4.2-bin.zip -P /tmp && \
+    unzip -d /opt/gradle /tmp/gradle-7.4.2-bin.zip
+
+# Add Gradle to PATH
+ENV PATH=/opt/gradle/gradle-7.4.2/bin:$PATH
+
+# Set up Kotlin app build environment
 WORKDIR /app
 COPY . /app
+
+# Build Kotlin app
 RUN ./gradlew build
 
-FROM Dockerfile.swift
-FROM --platform=arm64/v8 swift:6.0
+# Stage 2: Swift Build
+FROM swift:6.0 AS swift-build
+
+# Install necessary tools and Gradle
 RUN apt-get update && \
-    apt-get install -y wget unzip
-RUN wget https://services.gradle.org/distributions/gradle-7.4.2-bin.zip -P /tmp
-RUN unzip -d /opt/gradle /tmp/gradle-7.4.2-bin.zip
-ENV PATH=/opt/gradle/gradle-7.4.2/bin:\$PATH
+    apt-get install -y wget unzip && \
+    wget https://services.gradle.org/distributions/gradle-7.4.2-bin.zip -P /tmp && \
+    unzip -d /opt/gradle /tmp/gradle-7.4.2-bin.zip
+
+# Add Gradle to PATH
+ENV PATH=/opt/gradle/gradle-7.4.2/bin:$PATH
+
+# Set up Swift app build environment
 WORKDIR /app
 COPY . /app
+
+# Build Swift app
 RUN ./gradlew build
+
+# Final Stage: Combine Artifacts
+FROM ubuntu:22.04 AS final
+
+# Copy Kotlin build artifacts
+COPY --from=kotlin-build /app /final/kotlin
+
+# Copy Swift build artifacts
+COPY --from=swift-build /app /final/swift
+
+# Set the working directory and default command
+WORKDIR /final
+CMD ["bash"]