Fix hugo environment for robots.txt in not-prod

Dockerfile.dev

@@ -1,4 +1,5 @@
 FROM rancher/docs:build
+ENV HUGO_ENV dev
 
 VOLUME ["/site"]
 WORKDIR /run
@@ -6,7 +7,6 @@ COPY package.json /run/
 
 RUN  ln -s /site/config.toml /run \
   && ln -s /site/.eslintrc.js /run \
-  && ln -s /site/netlify.toml /run \
   && ln -s /site/archetypes /run \
   && ln -s /site/content /run \
   && ln -s /site/data /run \

Dockerfile.prod

@@ -1,10 +1,10 @@
 FROM rancher/docs:build as build
+ENV HUGO_ENV production
 
 WORKDIR /run
 COPY gulpfile.babel.js /run/
 COPY .eslintrc.js /run/
 COPY config.toml /run/
-COPY netlify.toml /run/
 COPY archetypes archetypes
 COPY data data
 COPY layouts layouts
@@ -12,8 +12,6 @@ COPY scripts scripts
 COPY content content
 COPY src src
 
-ENV HUGO_ENV production
-
 ADD https://github.com/rancherlabs/website-theme/archive/master.tar.gz master.tar.gz
 RUN tar -xzf master.tar.gz --strip 1 -C /run/node_modules/rancher-website-theme && rm master.tar.gz
 

Dockerfile.staging

@@ -1,10 +1,10 @@
 FROM rancher/docs:build as build
+ENV HUGO_ENV staging
 
 WORKDIR /run
 COPY gulpfile.babel.js /run/
 COPY .eslintrc.js /run/
 COPY config.toml /run/
-COPY netlify.toml /run/
 COPY archetypes archetypes
 COPY data data
 COPY layouts layouts
@@ -12,8 +12,6 @@ COPY scripts scripts
 COPY content content
 COPY src src
 
-ENV HUGO_ENV production
-
 ADD https://github.com/rancherlabs/website-theme/archive/master.tar.gz master.tar.gz
 RUN tar -xzf master.tar.gz --strip 1 -C /run/node_modules/rancher-website-theme && rm master.tar.gz
 

netlify.toml

@@ -1,13 +0,0 @@
-[build]
-    command = "npm run build"
-    publish = "public"
-
-[build.environment]
-    HUGO_VERSION = "0.36"
-
-[context.production.environment]
-    HUGO_ENV = "production"
-    NODE_ENV = "production"
-
-[context.deploy-preview]
-    command = "npm run build:preview"