Clean up

Dockerfile

@@ -7,39 +7,24 @@ WORKDIR /app
 COPY Cargo.toml Cargo.lock ./
 COPY src ./src
 
-# Build the application
 RUN cargo build --release
 
-# Runtime stage
-FROM alpine:latest
+FROM alpine:3.21
 
-# Install runtime dependencies
-RUN apk add --no-cache \
-    ca-certificates \
-    tzdata \
-    curl
+RUN apk add --no-cache ca-certificates tzdata curl
 
-# Create non-root user
 RUN addgroup -g 1000 updater && \
     adduser -u 1000 -G updater -s /bin/sh -D updater
 
-# Create necessary directories
 RUN mkdir -p /app/config && \
     chown -R updater:updater /app
 
-# Copy binary from builder stage
 COPY --from=builder /app/target/release/docker-compose-updater /usr/local/bin/docker-compose-updater
 
-# Switch to non-root user
 USER updater
-
-# Set working directory
 WORKDIR /app
-
-# Expose health check port
 EXPOSE 8080
 
-# Health check
 HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
     CMD curl -f http://localhost:8080/health || exit 1