chore: update Dockerfiles to use Alpine 3.14

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## master / unreleased
 
+* [ENHANCEMENT] Upgraded Docker base images to `alpine:3.14`. #4514
 
 ## 1.11.0-rc.0 in progress
 

cmd/blocksconvert/Dockerfile

@@ -1,4 +1,4 @@
-FROM       alpine:3.13
+FROM       alpine:3.14
 RUN        apk add --no-cache ca-certificates
 COPY       blocksconvert /
 ENTRYPOINT ["/blocksconvert"]

cmd/cortex/Dockerfile

@@ -1,4 +1,4 @@
-FROM       alpine:3.13
+FROM       alpine:3.14
 RUN        apk add --no-cache ca-certificates
 COPY       migrations /migrations/
 COPY       cortex /bin/cortex

cmd/query-tee/Dockerfile

@@ -1,4 +1,4 @@
-FROM       alpine:3.13
+FROM       alpine:3.14
 RUN        apk add --no-cache ca-certificates
 COPY       query-tee /
 ENTRYPOINT ["/query-tee"]

cmd/test-exporter/Dockerfile

@@ -1,4 +1,4 @@
-FROM       alpine:3.13
+FROM       alpine:3.14
 RUN        apk add --no-cache ca-certificates
 COPY       test-exporter /
 ENTRYPOINT ["/test-exporter"]

cmd/thanosconvert/Dockerfile

@@ -1,4 +1,4 @@
-FROM       alpine:3.13
+FROM       alpine:3.14
 RUN        apk add --no-cache ca-certificates
 COPY       thanosconvert /
 ENTRYPOINT ["/thanosconvert"]

development/tsdb-blocks-storage-s3-gossip/dev.dockerfile

@@ -2,7 +2,7 @@ FROM golang:1.16
 ENV CGO_ENABLED=0
 RUN go get github.com/go-delve/delve/cmd/dlv
 
-FROM alpine:3.13
+FROM alpine:3.14
 
 RUN     mkdir /cortex
 WORKDIR /cortex

development/tsdb-blocks-storage-s3-single-binary/dev.dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.14
 
 RUN     mkdir /cortex
 WORKDIR /cortex

development/tsdb-blocks-storage-s3/dev.dockerfile

@@ -2,7 +2,7 @@ FROM golang:1.16
 ENV CGO_ENABLED=0
 RUN go get github.com/go-delve/delve/cmd/dlv
 
-FROM alpine:3.13
+FROM alpine:3.14
 
 RUN     mkdir /cortex
 WORKDIR /cortex

development/tsdb-blocks-storage-swift-single-binary/dev.dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.14
 
 RUN     mkdir /cortex
 WORKDIR /cortex