feat: project setup

server/Dockerfile

@@ -0,0 +1,67 @@
+# Multi-stage build for Java 24
+FROM openjdk:24-jdk-slim AS builder
+
+# Install required packages
+RUN apt-get update && apt-get install -y \
+    curl \
+    unzip \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy gradle wrapper and build files
+COPY gradle/ gradle/
+COPY gradlew .
+COPY gradle.properties .
+COPY settings.gradle.kts .
+COPY build.gradle.kts .
+
+# Make gradlew executable
+RUN chmod +x gradlew
+
+# Download dependencies (for better caching)
+RUN ./gradlew dependencies --no-daemon
+
+# Copy source code
+COPY src/ src/
+
+# Build the application
+RUN ./gradlew shadowJar --no-daemon
+
+# Runtime stage
+FROM openjdk:24-jdk-slim
+
+# Install required runtime packages
+RUN apt-get update && apt-get install -y \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create app user
+RUN groupadd -r ccoin && useradd -r -g ccoin ccoin
+
+# Set working directory
+WORKDIR /app
+
+# Copy the built JAR from builder stage
+COPY --from=builder /app/build/libs/*.jar app.jar
+
+# Change ownership to app user
+RUN chown -R ccoin:ccoin /app
+
+# Switch to app user
+USER ccoin
+
+# Expose port
+EXPOSE 8080
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
+    CMD curl -f http://localhost:8080/health || exit 1
+
+# JVM options for production
+ENV JAVA_OPTS="-Xmx512m -Xms256m -XX:+UseG1GC -XX:+UseStringDeduplication"
+
+# Run the application
+CMD ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]
+