Build the Docker Image without using cached versions of previous image build stages.

sudo docker build \
    -f php-5-6-apache.Dockerfile \
    --target build-php-56-apache \
    --no-cache \
    --build-arg NPM_VERSION=6.4.1 \
    -t php-5-6-apache:latest \
    .

• Using -f php-5-6-apache.Dockerfile

  To specify php-5-6-apache.Dockerfile as the filename to build otherwise it is expected to be named just Dockerfile.

• Using --target build-php-56-apache

  To select the build target stage[^multi_stage_builds_note] from the Dockerfile.

• Using --no-cache

  To prevent using previous cached versions of image build stages.

• Using --build-arg NPM_VERSION=6.4.1

  To set build arguments & values to use during the build process. NPM_VERSION=6.4.1 sets the Node Version to be used to 6.4.1 when rebuilding the image.

• Using -t php-5-6-apache:latest

  To name & tag the locally built docker image.

• Using .

  To set the current location as the build context for the build process.