Technical/Update image (#60)

* Switch to truemail-rack 0.4.2

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.2] - 2022-10-12
+
+### Switch to truemail-rack 0.4.2
+
 ## [0.4.1] - 2022-06-16
 
 ### Switch to truemail-rack 0.4.1

Dockerfile

@@ -3,7 +3,7 @@ ENV APP_HOME="/var/lib/truemail-rack" \
     TMP="/var/lib/truemail-rack/tmp"
 RUN apk add --virtual build-dependencies git && \
     git clone https://github.com/truemail-rb/truemail-rack.git $TMP -q && \
-    cd $TMP && git checkout v0.4.1 -q && \
+    cd $TMP && git checkout v0.4.2 -q && \
     mv app config config.ru .ruby-version Gemfile* $APP_HOME && rm -rf $TMP && \
     apk del build-dependencies
 WORKDIR $APP_HOME

README.md

@@ -1,6 +1,5 @@
 # ![Truemail lightweight rack based web API docker image](https://truemail-rb.org/assets/images/truemail_logo.png)
 
-[![Docker Cloud Build Status](https://img.shields.io/docker/cloud/build/truemail/truemail-rack)](https://hub.docker.com/r/truemail/truemail-rack/builds)
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/truemail-rb/truemail-rack-docker-image)
 ![Docker Image Size](https://img.shields.io/docker/image-size/truemail/truemail-rack)
 ![Docker Pulls](https://img.shields.io/docker/pulls/truemail/truemail-rack)
@@ -39,7 +38,7 @@ version: "3.7"
 
 services:
   truemail:
-    image: truemail/truemail-rack:v0.4.1 # for latest version you can use just truemail/truemail-rack:latest
+    image: truemail/truemail-rack:v0.4.2 # for latest version you can use just truemail/truemail-rack:latest
     ports:
       - 9292:9292
     environment: