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#!/usr/bin/env bash

# https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/

# `-u`: Errors if a variable is referenced before being set

# `-o pipefail`: Prevent errors in a pipeline (`|`) from being masked

set -uo pipefail

# Import environment variables from .env

set -o allexport && source .env && set +o allexport

echo "Building image '$DOCKER_IMAGE_NAME:$DOCKER_IMAGE_TAG'..."

# TIP: Add `--progress=plain` to see the full docker output when you are

# troubleshooting the build setup of your image.

#

# Force x86_64 as the platform. This workaround is needed on Apple Silicon

# machines. Details at https://stackoverflow.com/questions/70736928/.

declare -r DOCKER_OPTIONS="--platform linux/x86_64/v8"

# Use BuildKit, i.e. `buildx build` instead of just `build`

# https://docs.docker.com/build/

docker buildx build $DOCKER_OPTIONS -t "$DOCKER_IMAGE_NAME":"$DOCKER_IMAGE_TAG" .