Use LABEL instead of MAINTAINER because it is deprecated

eXistenZNL · eXistenZNL · commit 562edb1902bc · 2020-02-23T17:20:10.000+01:00
diff --git a/Dockerfile-5.6 b/Dockerfile-5.6
@@ -1,6 +1,6 @@
 FROM alpine:3.5
 
-MAINTAINER docker@stefan-van-essen.nl
+LABEL maintainer="docker@stefan-van-essen.nl"
 
 RUN apk -U upgrade && apk add --no-cache \
     curl \
diff --git a/Dockerfile-7.0 b/Dockerfile-7.0
@@ -1,6 +1,6 @@
 FROM alpine:3.5
 
-MAINTAINER docker@stefan-van-essen.nl
+LABEL maintainer="docker@stefan-van-essen.nl"
 
 RUN apk -U upgrade && apk add --no-cache \
     curl \
diff --git a/Dockerfile-7.1 b/Dockerfile-7.1
@@ -1,6 +1,6 @@
 FROM alpine:3.7
 
-MAINTAINER docker@stefan-van-essen.nl
+LABEL maintainer="docker@stefan-van-essen.nl"
 
 RUN apk -U upgrade && apk add --no-cache \
     curl \
diff --git a/Dockerfile-7.2 b/Dockerfile-7.2
@@ -1,6 +1,6 @@
 FROM alpine:3.8
 
-MAINTAINER docker@stefan-van-essen.nl
+LABEL maintainer="docker@stefan-van-essen.nl"
 
 RUN apk -U upgrade && apk add --no-cache \
     curl \
diff --git a/Dockerfile-7.3 b/Dockerfile-7.3
@@ -1,6 +1,6 @@
 FROM alpine:3.10
 
-MAINTAINER docker@stefan-van-essen.nl
+LABEL maintainer="docker@stefan-van-essen.nl"
 
 RUN apk -U upgrade && apk add --no-cache \
     curl \
diff --git a/Dockerfile-7.4-codecasts b/Dockerfile-7.4-codecasts
@@ -1,6 +1,6 @@
 FROM alpine:3.10
 
-MAINTAINER docker@stefan-van-essen.nl
+LABEL maintainer="docker@stefan-van-essen.nl"
 
 ADD https://dl.bintray.com/php-alpine/key/php-alpine.rsa.pub /etc/apk/keys/php-alpine.rsa.pub
 RUN apk --update add ca-certificates

-Original file line number
+Diff line change
@@ @@ -1,6 +1,6 @@ @@
 FROM alpine:3.5
 -MAINTAINER [email protected]
 +LABEL maintainer="[email protected]"
 RUN apk -U upgrade && apk add --no-cache \
     curl \