Restore working codebase with all methods

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Dockerfile

@@ -1,9 +1,9 @@
-FROM golang:1.24-alpine AS builder
+FROM golang:latest AS builder
 
 WORKDIR /app
 
 # Install build dependencies
-RUN apk add --no-cache gcc musl-dev
+RUN apt-get update && apt-get install -y gcc && rm -rf /var/lib/apt/lists/*
 
 # Copy go mod files first for layer caching
 COPY go.mod go.sum ./
@@ -17,12 +17,12 @@ COPY static/ ./static/
 RUN CGO_ENABLED=1 go build -o 1440.news .
 
 # Runtime stage
-FROM alpine:latest
+FROM ubuntu:latest
 
 WORKDIR /app
 
 # Install runtime dependencies
-RUN apk add --no-cache ca-certificates tzdata
+RUN apt-get update && apt-get install -y ca-certificates tzdata && rm -rf /var/lib/apt/lists/*
 
 # Copy binary from builder
 COPY --from=builder /app/1440.news .