Update alpine Docker tag to v3.21.2

renovate[bot] · web-flow · commit eb665a3df42d · 2025-01-08T21:32:16.000Z
diff --git a/deployment/Dockerfile b/deployment/Dockerfile
@@ -27,7 +27,7 @@ COPY pkg ./pkg
 RUN go install .
 
 # production image ############################################
-FROM alpine:3.15.4@sha256:4edbd2beb5f78b1014028f4fbb99f3237d9561100b6881aabbf5acce2c4f9454 AS prod
+FROM alpine:3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099 AS prod
 RUN apk add --no-cache ca-certificates
 
 # tracing config
