minor dockerfile syntax update

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

.changeset/giant-jars-mix.md

@@ -0,0 +1,6 @@
+---
+'@backstage/create-app': patch
+'@backstage/plugin-devtools': patch
+---
+
+Minor dockerfile syntax update

contrib/docker/frontend-with-nginx/Dockerfile.dockerbuild

@@ -55,4 +55,4 @@ COPY docker/default.conf.template /etc/nginx/templates/default.conf.template
 
 COPY docker/inject-config.sh /docker-entrypoint.d/40-inject-config.sh
 
-ENV PORT 80
+ENV PORT=80

contrib/docker/frontend-with-nginx/Dockerfile.hostbuild

@@ -36,4 +36,4 @@ COPY docker/default.conf.template /etc/nginx/templates/default.conf.template
 
 COPY docker/inject-config.sh /docker-entrypoint.d/40-inject-config.sh
 
-ENV PORT 80
+ENV PORT=80

contrib/docker/minimal-hardened-image/Dockerfile

@@ -23,8 +23,8 @@ RUN --mount=type=cache,target=/home/nonroot/.cache/pip,uid=65532,gid=65532 \
 # Build Node environment in a separate builder stage
 FROM cgr.dev/chainguard/wolfi-base:latest as node-builder
 
-ENV NODE_VERSION 20=~20.11
-ENV NODE_ENV production
+ENV NODE_VERSION="20=~20.11"
+ENV NODE_ENV=production
 
 RUN --mount=type=cache,target=/var/cache/apk,sharing=locked,uid=65532,gid=65532 \
     --mount=type=cache,target=/var/lib/apk,sharing=locked,uid=65532,gid=65532 \
@@ -52,20 +52,20 @@ RUN --mount=type=cache,target=/home/nonroot/.yarn/berry/cache,sharing=locked,uid
 # Final stage to build the application image
 FROM cgr.dev/chainguard/wolfi-base:latest
 
-ENV PYTHON_VERSION 3.12=~3.12
-ENV NODE_VERSION 20=~20.14
-ENV NODE_ENV production
+ENV PYTHON_VERSION="3.12=~3.12"
+ENV NODE_VERSION="20=~20.14"
+ENV NODE_ENV=production
 
 RUN --mount=type=cache,target=/var/cache/apk,sharing=locked,uid=65532,gid=65532 \
     --mount=type=cache,target=/var/lib/apk,sharing=locked,uid=65532,gid=65532 \
     apk update && \
     apk add \
     # add node for backstage
-        nodejs-$NODE_VERSION \
+    nodejs-$NODE_VERSION \
     # add python for backstage techdocs
-        python-$PYTHON_VERSION \
+    python-$PYTHON_VERSION \
     # add tini for init process
-        tini
+    tini
 
 WORKDIR /app
 

docs/deployment/docker.md

@@ -81,7 +81,7 @@ USER node
 WORKDIR /app
 
 # This switches many Node.js dependencies to production mode.
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 # Copy repo skeleton first, to avoid unnecessary docker cache invalidation.
 # The skeleton contains the package.json of each package in the monorepo,
@@ -263,7 +263,7 @@ COPY --chown=node:node app-config*.yaml ./
 COPY --chown=node:node examples ./examples
 
 # This switches many Node.js dependencies to production mode.
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 CMD ["node", "packages/backend", "--config", "app-config.yaml", "--config", "app-config.production.yaml"]
 ```

docs/deployment/flightcontrol.md

@@ -68,7 +68,7 @@ USER node
 WORKDIR /app
 
 # This switches many Node.js dependencies to production mode.
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 # Copy repo skeleton first, to avoid unnecessary docker cache invalidation.
 # The skeleton contains the package.json of each package in the monorepo,

docs/tutorials/yarn-migration.md

@@ -85,7 +85,7 @@ FROM node:16-bullseye-slim
 
 # highlight-add-start
 # Set Python interpreter for `node-gyp` to use
-ENV PYTHON /usr/bin/python3
+ENV PYTHON=/usr/bin/python3
 # highlight-add-end
 
 # Install sqlite3 dependencies. You can skip this if you don't use sqlite3 in the image,

packages/backend/Dockerfile

@@ -35,7 +35,7 @@ USER node
 
 
 # This switches many Node.js dependencies to production mode.
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 # Copy over Yarn 3 configuration, release, and plugins
 COPY --chown=node:node .yarn ./.yarn

packages/create-app/templates/default-app/packages/backend/Dockerfile

@@ -34,7 +34,7 @@ USER node
 WORKDIR /app
 
 # This switches many Node.js dependencies to production mode.
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 # Copy repo skeleton first, to avoid unnecessary docker cache invalidation.
 # The skeleton contains the package.json of each package in the monorepo,

plugins/devtools/README.md

@@ -20,7 +20,7 @@ You may need to modify your Dockerfile to ensure `backstage.json` is copied into
 ```sh
 WORKDIR /app
 # This switches many Node.js dependencies to production mode.
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 # Then copy the rest of the backend bundle, along with any other files we might want (including backstage.json).
 COPY --chown=node:node ... backstage.json ./