use alpine:3.15 to build

Signed-off-by: Anastas Dancha <anapsix@random.io>

Author: anapsix

CHANGELOG.md

@@ -8,6 +8,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 
+## [0.4.2] - 2021-11-29
+### Changed
+- using `alpine:3.15` to build
+
+
 ## [0.4.1] - 2021-06-10
 ### Changed
 - using newer version of Crystal
@@ -75,7 +80,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - initial implementation
 
 
-[Unreleased]: https://github.com/anapsix/k8s-vault.cr/compare/v0.4.0...HEAD
+[Unreleased]: https://github.com/anapsix/k8s-vault.cr/compare/v0.4.2...HEAD
+[0.4.2]: https://github.com/anapsix/k8s-vault.cr/compare/v0.4.1...v0.4.2
+[0.4.1]: https://github.com/anapsix/k8s-vault.cr/compare/v0.4.0...v0.4.1
 [0.4.0]: https://github.com/anapsix/k8s-vault.cr/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/anapsix/k8s-vault.cr/compare/v0.2.2...v0.3.0
 [0.2.2]: https://github.com/anapsix/k8s-vault.cr/compare/v0.2.1...v0.2.2

Dockerfile

@@ -1,5 +1,5 @@
 ## this stage installs everything required to build the project
-FROM alpine:3.13 as build
+FROM alpine:3.15 as build
 RUN apk add --no-cache musl-dev yaml-static upx && \
     apk add --repository=http://dl-cdn.alpinelinux.org/alpine/edge/main \
       llvm11-libs && \

VERSION

@@ -1 +1 @@
-0.4.1
+0.4.2

k8s-vault_example.yaml

@@ -1,4 +1,4 @@
-version: "0.4.1"
+version: "0.4.2"
 k8s_api_timeout: 5 # in seconds
 ssh_forwarding_port:
   random: true

shard.yml

@@ -1,5 +1,5 @@
 name: k8s-vault
-version: 0.4.1
+version: 0.4.2
 
 description: |
   k8s-vault makes it easy to reach K8s API via jumphost, using SSH port forwarding.