chore: update base image from alpine:3.14 to alpine:3.21

Alpine 3.14 reached EOL in November 2024 and no longer receives
security updates. Update to 3.21 (latest stable) to ensure continued
security patch coverage.

Closes #211

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
TakumiMukaiyama 2026-04-13 12:19:24 +09:00
parent d8289abf87
commit 1563592287

View file

@ -4,7 +4,7 @@ WORKDIR /var/app
RUN go mod tidy
RUN CGO_ENABLED=0 go build -o app .
FROM alpine:3.14
FROM alpine:3.21
LABEL org.opencontainers.image.source=https://github.com/trstringer/manual-approval
RUN apk update && apk add ca-certificates
COPY --from=builder /var/app/app /var/app/app