feat: Update ENV instructions to use "="

Update the various Dockerfile ENV instructions to use the new format (using `=` as the key value separator instead of a whitespace) per the latest docs https://docs.docker.com/reference/dockerfile/#env

Author: alessfg

Dockerfile-alpine-otel.template

@@ -1,6 +1,6 @@
 FROM nginx:%%NGINX_VERSION%%-alpine
 
-ENV OTEL_VERSION   %%OTEL_VERSION%%
+ENV OTEL_VERSION="%%OTEL_VERSION%%"
 
 RUN set -x \
     && apkArch="$(cat /etc/apk/arch)" \

Dockerfile-alpine-slim.template

@@ -2,8 +2,8 @@ FROM alpine:%%ALPINE_VERSION%%
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV NGINX_VERSION %%NGINX_VERSION%%
-ENV PKG_RELEASE   %%PKG_RELEASE%%
+ENV NGINX_VERSION="%%NGINX_VERSION%%"
+ENV PKG_RELEASE="%%PKG_RELEASE%%"
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants

Dockerfile-alpine.template

@@ -1,7 +1,7 @@
 FROM nginx:%%NGINX_VERSION%%-alpine-slim
 
-ENV NJS_VERSION   %%NJS_VERSION%%
-ENV NJS_RELEASE   %%NJS_RELEASE%%
+ENV NJS_VERSION="%%NJS_VERSION%%"
+ENV NJS_RELEASE="%%NJS_RELEASE%%"
 
 RUN set -x \
     && apkArch="$(cat /etc/apk/arch)" \

Dockerfile-debian-otel.template

@@ -1,6 +1,6 @@
 FROM nginx:%%NGINX_VERSION%%
 
-ENV OTEL_VERSION     %%OTEL_VERSION%%
+ENV OTEL_VERSION="%%OTEL_VERSION%%"
 
 RUN set -x; \
     NGINX_GPGKEY_PATH=/etc/apt/keyrings/nginx-archive-keyring.gpg; \

Dockerfile-debian.template

@@ -2,10 +2,10 @@ FROM debian:%%DEBIAN_VERSION%%-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV NGINX_VERSION   %%NGINX_VERSION%%
-ENV NJS_VERSION     %%NJS_VERSION%%
-ENV NJS_RELEASE     %%NJS_RELEASE%%
-ENV PKG_RELEASE     %%PKG_RELEASE%%
+ENV NGINX_VERSION="%%NGINX_VERSION%%"
+ENV NJS_VERSION="%%NJS_VERSION%%"
+ENV NJS_RELEASE="%%NJS_RELEASE%%"
+ENV PKG_RELEASE="%%PKG_RELEASE%%"
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants

mainline/alpine-otel/Dockerfile

@@ -5,7 +5,7 @@
 #
 FROM nginx:1.27.0-alpine
 
-ENV OTEL_VERSION   0.1.0
+ENV OTEL_VERSION="0.1.0"
 
 RUN set -x \
     && apkArch="$(cat /etc/apk/arch)" \

mainline/alpine-slim/Dockerfile

@@ -7,8 +7,8 @@ FROM alpine:3.19
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV NGINX_VERSION 1.27.0
-ENV PKG_RELEASE   2
+ENV NGINX_VERSION="1.27.0"
+ENV PKG_RELEASE="2"
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants

mainline/alpine/Dockerfile

@@ -5,8 +5,8 @@
 #
 FROM nginx:1.27.0-alpine-slim
 
-ENV NJS_VERSION   0.8.4
-ENV NJS_RELEASE   2
+ENV NJS_VERSION="0.8.4"
+ENV NJS_RELEASE="2"
 
 RUN set -x \
     && apkArch="$(cat /etc/apk/arch)" \

mainline/debian-otel/Dockerfile

@@ -5,7 +5,7 @@
 #
 FROM nginx:1.27.0
 
-ENV OTEL_VERSION     0.1.0
+ENV OTEL_VERSION="0.1.0"
 
 RUN set -x; \
     NGINX_GPGKEY_PATH=/etc/apt/keyrings/nginx-archive-keyring.gpg; \

mainline/debian/Dockerfile

@@ -7,10 +7,10 @@ FROM debian:bookworm-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV NGINX_VERSION   1.27.0
-ENV NJS_VERSION     0.8.4
-ENV NJS_RELEASE     2~bookworm
-ENV PKG_RELEASE     2~bookworm
+ENV NGINX_VERSION="1.27.0"
+ENV NJS_VERSION="0.8.4"
+ENV NJS_RELEASE="2~bookworm"
+ENV PKG_RELEASE="2~bookworm"
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants

stable/alpine-otel/Dockerfile

@@ -5,7 +5,7 @@
 #
 FROM nginx:1.26.1-alpine
 
-ENV OTEL_VERSION   0.1.0
+ENV OTEL_VERSION="0.1.0"
 
 RUN set -x \
     && apkArch="$(cat /etc/apk/arch)" \

stable/alpine-slim/Dockerfile

@@ -7,8 +7,8 @@ FROM alpine:3.19
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV NGINX_VERSION 1.26.1
-ENV PKG_RELEASE   2
+ENV NGINX_VERSION="1.26.1"
+ENV PKG_RELEASE="2"
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants

stable/alpine/Dockerfile

@@ -5,8 +5,8 @@
 #
 FROM nginx:1.26.1-alpine-slim
 
-ENV NJS_VERSION   0.8.4
-ENV NJS_RELEASE   2
+ENV NJS_VERSION="0.8.4"
+ENV NJS_RELEASE="2"
 
 RUN set -x \
     && apkArch="$(cat /etc/apk/arch)" \

stable/debian-otel/Dockerfile

@@ -5,7 +5,7 @@
 #
 FROM nginx:1.26.1
 
-ENV OTEL_VERSION     0.1.0
+ENV OTEL_VERSION="0.1.0"
 
 RUN set -x; \
     NGINX_GPGKEY_PATH=/etc/apt/keyrings/nginx-archive-keyring.gpg; \

stable/debian/Dockerfile

@@ -7,10 +7,10 @@ FROM debian:bookworm-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV NGINX_VERSION   1.26.1
-ENV NJS_VERSION     0.8.4
-ENV NJS_RELEASE     2~bookworm
-ENV PKG_RELEASE     2~bookworm
+ENV NGINX_VERSION="1.26.1"
+ENV NJS_VERSION="0.8.4"
+ENV NJS_RELEASE="2~bookworm"
+ENV PKG_RELEASE="2~bookworm"
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants