chore: update base image from alpine:3.14 (EOL) to alpine:3.23 (#212)

* 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>

* chore: update base image from alpine:3.14 (EOL) to alpine:3.23

Alpine 3.14 reached EOL in November 2024. Update to 3.23 (latest stable,
EOL: November 2027) to ensure continued security patch coverage.

Closes #211

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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TakumiMukaiyama 2026-04-13 23:03:57 +09:00 committed by GitHub
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@ -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:3.23
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