Fix custom miminal build (#290)

Also bump default NodeJS version to 14 for custom builds

Author: hardillb

docker-custom/README.md

@@ -32,11 +32,11 @@ The `docker-alpine.sh` and `docker-debian.sh` are helper scripts to build a cust
 Change the build arguments as needed:
 
    - `--build-arg ARCH=amd64` : architecture your are building for (arm32v6, arm32v7, arm64v8, amd64)
-   - `--build-arg NODE_VERSION=10` : NodeJS version you like to use
+   - `--build-arg NODE_VERSION=14` : NodeJS version you like to use
    - `--build-arg NODE_RED_VERSION=${NODE_RED_VERSION}` : don't change this, ${NODE_RED_VERSION} gets populated from package.json
    - `--build-arg OS=alpine` : the linux distro to use (alpine)
    - `--build-arg BUILD_DATE="$(date +"%Y-%m-%dT%H:%M:%SZ")"` : don't change this
-   - `--build-arg TAG_SUFFIX=default` : to build the default or minimal image
+   - `--build-arg TAG_SUFFIX=default` : to build the default or minimal image (only applies to the alpine build)
    - `--file Dockerfile.custom` : Dockerfile to use to build your image.
    - `--tag testing:node-red-build` : set the image name and tag
 

docker-custom/docker-alpine.sh

@@ -7,7 +7,7 @@ echo "#########################################################################"
 
 docker build --rm --no-cache \
     --build-arg ARCH=amd64 \
-    --build-arg NODE_VERSION=12 \
+    --build-arg NODE_VERSION=14 \
     --build-arg NODE_RED_VERSION=${NODE_RED_VERSION} \
     --build-arg OS=alpine \
     --build-arg BUILD_DATE="$(date +"%Y-%m-%dT%H:%M:%SZ")" \

docker-custom/docker-debian.sh

@@ -7,7 +7,7 @@ echo "#########################################################################"
 
 docker build --rm --no-cache \
     --build-arg ARCH=amd64 \
-    --build-arg NODE_VERSION=12 \
+    --build-arg NODE_VERSION=14 \
     --build-arg NODE_RED_VERSION=${NODE_RED_VERSION} \
     --build-arg OS=buster-slim \
     --build-arg BUILD_DATE="$(date +"%Y-%m-%dT%H:%M:%SZ")" \

docker-custom/scripts/install_devtools.sh

@@ -2,7 +2,7 @@
 set -ex
 
 # Installing Devtools
-if [[ ${TAG_SUFFIX} != "-minimal" ]]; then
+if [[ ${TAG_SUFFIX} != *"minimal" ]]; then
   echo "Installing devtools"
   apk add --no-cache --virtual devtools build-base linux-headers udev python2 python3
 else