fix: dockerfile image

Author: ghlps

Dockerfile

@@ -1,17 +1,15 @@
-FROM golang:1.25 AS builder
+FROM golang:1.25-alpine AS builder
 WORKDIR /app
-RUN apt-get update && apt-get install -y gcc libsqlite3-dev ca-certificates
+RUN apk add --no-cache gcc musl-dev sqlite-dev ca-certificates
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
 RUN CGO_ENABLED=1 go build -ldflags="-s -w" -o main ./cmd
 
-FROM debian:stable-slim
-RUN apt-get update && \
-    apt-get install -y sqlite3 ca-certificates && \
-    rm -rf /var/lib/apt/lists/*
+FROM alpine:3.20
+RUN apk add --no-cache sqlite ca-certificates
 WORKDIR /root/
 COPY --from=builder /app/main .
 RUN mkdir -p db && chmod 777 db
 EXPOSE 8080
-CMD ["tail", "-f", "/dev/null"] 
+CMD ["tail", "-f", "/dev/null"]

README.md

@@ -17,16 +17,20 @@ The project consists of two main components:
 
 ```
 ru-counter/
-├── cmd/
-│   └── main.go              # Application entry point
-├── internal/
-│   ├── whatsapp/
-│   │   └── client.go        # WhatsApp newsletter client
-│   └── github/
-│       └── updater.go       # GitHub repository updater
-├── db/                      # SQLite session storage
-├── docker-compose.yml       # Docker configuration
-└── go.mod                   # Go dependencies
+├── cmd
+│   └── main.go
+├── db
+│   └── session.db
+├── docker-compose-prd.yml
+├── Dockerfile
+├── go.mod
+├── go.sum
+├── internal
+│   ├── github
+│   │   └── updater.go
+│   └── whatsapp
+│       └── client.go
+└── README.md
 ```
 
 ### Integration with RU Menu