add image tag and fix #15

Author: alexei-led

README.md

@@ -1,6 +1,4 @@
-[![test](https://github.com/doitintl/secrets-init/actions/workflows/test.yaml/badge.svg)](https://github.com/doitintl/secrets-init/actions/workflows/test.yaml) [![Go Report Card](https://goreportcard.com/badge/github.com/doitintl/secrets-init)](https://goreportcard.com/report/github.com/doitintl/secrets-init)
-
-[![](https://images.microbadger.com/badges/image/doitintl/secrets-init.svg)](http://microbadger.com/images/doitintl/secrets-init) [![](https://images.microbadger.com/badges/version/doitintl/secrets-init.svg)](http://microbadger.com/images/doitintl/secrets-init) [![](https://images.microbadger.com/badges/commit/doitintl/secrets-init.svg)](http://microbadger.com/images/doitintl/secrets-init)
+[![test](https://github.com/doitintl/secrets-init/actions/workflows/test.yaml/badge.svg)](https://github.com/doitintl/secrets-init/actions/workflows/test.yaml) [![Go Report Card](https://goreportcard.com/badge/github.com/doitintl/secrets-init)](https://goreportcard.com/report/github.com/doitintl/secrets-init) [![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/doitintl/secrets-init?label=image)](https://github.com/doitintl/secrets-init/pkgs/container/secrets-init)
 
 ## Blog Post
 
@@ -74,6 +72,10 @@ MY_DB_PASSWORD=very-secret-password
 
 ### Requirement
 
+#### Container
+
+If you are building a Docker container, make sure to include the `ca-certificates` package, or use already prepared [doitintl/secrets-init](https://github.com/doitintl/secrets-init/pkgs/container/secrets-init) Docker container (`linux/amd64`, `linux/arm64`).
+
 #### AWS
 
 In order to resolve AWS secrets from AWS Secrets Manager and Parameter Store, `secrets-init` should run under IAM role that has permission to access desired secrets.