Init work

Dockerfile

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+FROM golang:1.23-alpine AS build
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+COPY main.go .
+RUN CGO_ENABLED=0 go build -o /todo-glance .
+
+FROM alpine:3.21
+COPY --from=build /todo-glance /todo-glance
+VOLUME /data
+ENV TODO_DB_PATH=/data/todos.db
+EXPOSE 8081
+ENTRYPOINT ["/todo-glance"]