fix: alpine version Dockerfile

Dockerfile

@@ -19,7 +19,7 @@ COPY config config
 RUN mix do deps.get, deps.compile
 
 
-FROM node:14.14.0-alpine3.12 as frontend
+FROM node:14.14.0-alpine as frontend
 
 WORKDIR /app
 COPY --from=builder /app/deps/phoenix /app/deps/phoenix
@@ -37,7 +37,7 @@ COPY . /app/
 COPY --from=frontend /app/priv/static /app/priv/static
 RUN mix do compile, release
 
-FROM alpine:3.16.4 AS app
+FROM alpine:3.16 AS app
 RUN apk add --no-cache ncurses-libs openssl libstdc++ libcrypto3
 
 COPY --from=releaser /app/_build/prod/rel/phoenix_blog/ /phoenix_blog