Add Alpine 3.21 and drop 3.19

Author: jnoordsij

18/alpine3.19/Dockerfile 18/alpine3.21/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.19
+FROM alpine:3.21
 
 ENV NODE_VERSION 18.20.5
 

18/alpine3.19/docker-entrypoint.sh 18/alpine3.21/docker-entrypoint.sh

@@ -1,4 +1,4 @@
-FROM alpine:3.19
+FROM alpine:3.21
 
 ENV NODE_VERSION 20.18.1
 

20/alpine3.19/Dockerfile 20/alpine3.21/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.19
+FROM alpine:3.21
 
 ENV NODE_VERSION 22.12.0
 

20/alpine3.19/docker-entrypoint.sh 20/alpine3.21/docker-entrypoint.sh

@@ -1,4 +1,4 @@
-FROM alpine:3.19
+FROM alpine:3.21
 
 ENV NODE_VERSION 23.3.0
 

22/alpine3.19/Dockerfile 22/alpine3.21/Dockerfile

@@ -1,8 +1,8 @@
 bashbrew-arch  variants
-amd64          alpine3.19,alpine3.20,bookworm,bookworm-slim,bullseye,bullseye-slim
-arm32v6        alpine3.19,alpine3.20
-arm32v7        alpine3.19,alpine3.20,bookworm,bookworm-slim,bullseye,bullseye-slim
-arm64v8        alpine3.19,alpine3.20,bookworm,bookworm-slim,bullseye,bullseye-slim
-i386           alpine3.19,alpine3.20
-ppc64le        alpine3.19,alpine3.20,bookworm,bookworm-slim
-s390x          alpine3.19,alpine3.20,bookworm,bookworm-slim
+amd64          alpine3.20,alpine3.21,bookworm,bookworm-slim,bullseye,bullseye-slim
+arm32v6        alpine3.20,alpine3.21
+arm32v7        alpine3.20,alpine3.21,bookworm,bookworm-slim,bullseye,bullseye-slim
+arm64v8        alpine3.20,alpine3.21,bookworm,bookworm-slim,bullseye,bullseye-slim
+i386           alpine3.20,alpine3.21
+ppc64le        alpine3.20,alpine3.21,bookworm,bookworm-slim
+s390x          alpine3.20,alpine3.21,bookworm,bookworm-slim

22/alpine3.19/docker-entrypoint.sh 22/alpine3.21/docker-entrypoint.sh

@@ -5,17 +5,17 @@
     "maintenance": "2025-04-01",
     "end": "2025-06-01",
     "codename": "",
-    "alpine-default": "alpine3.20",
+    "alpine-default": "alpine3.21",
     "debian-default": "bookworm",
     "variants": {
-      "alpine3.19": [
+      "alpine3.20": [
         "amd64",
         "arm32v6",
         "arm32v7",
         "arm64v8",
         "s390x"
       ],
-      "alpine3.20": [
+      "alpine3.21": [
         "amd64",
         "arm32v6",
         "arm32v7",
@@ -54,17 +54,17 @@
     "maintenance": "2025-10-21",
     "end": "2027-04-30",
     "codename": "jod",
-    "alpine-default": "alpine3.20",
+    "alpine-default": "alpine3.21",
     "debian-default": "bookworm",
     "variants": {
-      "alpine3.19": [
+      "alpine3.20": [
         "amd64",
         "arm32v6",
         "arm32v7",
         "arm64v8",
         "s390x"
       ],
-      "alpine3.20": [
+      "alpine3.21": [
         "amd64",
         "arm32v6",
         "arm32v7",
@@ -103,18 +103,18 @@
     "maintenance": "2024-10-22",
     "end": "2026-04-30",
     "codename": "iron",
-    "alpine-default": "alpine3.20",
+    "alpine-default": "alpine3.21",
     "debian-default": "bookworm",
     "variants": {
-      "alpine3.19": [
+      "alpine3.20": [
         "amd64",
         "arm32v6",
         "arm32v7",
         "arm64v8",
         "ppc64le",
         "s390x"
       ],
-      "alpine3.20": [
+      "alpine3.21": [
         "amd64",
         "arm32v6",
         "arm32v7",
@@ -154,18 +154,18 @@
     "maintenance": "2023-10-18",
     "end": "2025-04-30",
     "codename": "hydrogen",
-    "alpine-default": "alpine3.20",
+    "alpine-default": "alpine3.21",
     "debian-default": "bookworm",
     "variants": {
-      "alpine3.19": [
+      "alpine3.20": [
         "amd64",
         "arm32v6",
         "arm32v7",
         "arm64v8",
         "ppc64le",
         "s390x"
       ],
-      "alpine3.20": [
+      "alpine3.21": [
         "amd64",
         "arm32v6",
         "arm32v7",