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social-app/deploy/build-prod-image.sh
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#!/usr/bin/env bash
set -euo pipefail
ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
IMAGE_NAME="${SOCIAL_BACKEND_IMAGE:-social-app-backend:prod}"
OUTPUT_FILE="$ROOT_DIR/deploy/social-app-backend-prod.tar.gz"
echo "[1/2] Building image: ${IMAGE_NAME}"
docker build -t "${IMAGE_NAME}" -f "$ROOT_DIR/backend/Dockerfile" "$ROOT_DIR"
docker image inspect "${IMAGE_NAME}" >/dev/null
echo "[2/2] Exporting image archive: ${OUTPUT_FILE}"
docker save "${IMAGE_NAME}" | gzip > "${OUTPUT_FILE}"
echo "Done"
echo "Image: ${IMAGE_NAME}"
echo "Archive: ${OUTPUT_FILE}"