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Htmx/GCR/scripts/02-setup-project.sh
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#!/usr/bin/env bash
# =============================================================================
# 02-setup-project.sh (Linux)
# One-time GCP project setup:
# - Links a billing account to the project
# - Enables required APIs (Cloud Run, Artifact Registry, Secret Manager)
# - Creates an Artifact Registry Docker repository
# - Grants the current user the minimum required IAM roles
#
# Safe to re-run — most operations are idempotent.
# Windows users: run GCR/scripts/02-setup-project.ps1 in PowerShell instead.
# =============================================================================
set -euo pipefail
if [[ "$(uname -s)" != "Linux" ]]; then
echo "ERROR: This script is for Linux only."
echo "Windows users: run GCR/scripts/02-setup-project.ps1"
exit 1
fi
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# ── Load .env ─────────────────────────────────────────────────────────────────
ENV_FILE="$SCRIPT_DIR/../.env"
if [[ ! -f "$ENV_FILE" ]]; then
echo "ERROR: $ENV_FILE not found."
echo "Copy GCR/.env.example to GCR/.env and fill in your values first."
exit 1
fi
# shellcheck disable=SC1090
source "$ENV_FILE"
: "${GCP_PROJECT_ID:?GCP_PROJECT_ID is not set in .env}"
: "${GCP_REGION:?GCP_REGION is not set in .env}"
: "${GCP_REPOSITORY:?GCP_REPOSITORY is not set in .env}"
# ── Confirm active project ────────────────────────────────────────────────────
echo ">>> Active project: $GCP_PROJECT_ID"
echo ">>> Region: $GCP_REGION"
echo ">>> AR repository: $GCP_REPOSITORY"
echo ""
# ── Step 1: Link billing account ──────────────────────────────────────────────
echo ">>> Checking billing status..."
BILLING_ENABLED=$(gcloud billing projects describe "$GCP_PROJECT_ID" \
--format="value(billingEnabled)" 2>/dev/null || echo "false")
if [[ "$BILLING_ENABLED" == "True" ]]; then
echo " Billing is already enabled — skipping."
else
echo ""
echo " Billing is NOT enabled on this project."
echo " Listing available billing accounts..."
echo ""
gcloud billing accounts list --format="table(name,displayName,open)"
echo ""
read -rp " Enter the BILLING_ACCOUNT_ID from the list above (format: XXXXXX-XXXXXX-XXXXXX): " BILLING_ACCOUNT_ID
gcloud billing projects link "$GCP_PROJECT_ID" \
--billing-account="$BILLING_ACCOUNT_ID"
echo " Billing linked."
fi
# ── Step 2: Enable required APIs ─────────────────────────────────────────────
echo ""
echo ">>> Enabling required Google Cloud APIs (this may take a minute)..."
gcloud services enable \
run.googleapis.com \
artifactregistry.googleapis.com \
secretmanager.googleapis.com \
cloudresourcemanager.googleapis.com \
--project="$GCP_PROJECT_ID"
echo " APIs enabled."
# ── Step 3: Create Artifact Registry Docker repository ───────────────────────
echo ""
echo ">>> Creating Artifact Registry repository: $GCP_REPOSITORY ..."
if gcloud artifacts repositories describe "$GCP_REPOSITORY" \
--location="$GCP_REGION" \
--project="$GCP_PROJECT_ID" &>/dev/null; then
echo " Repository already exists — skipping."
else
gcloud artifacts repositories create "$GCP_REPOSITORY" \
--repository-format=docker \
--location="$GCP_REGION" \
--description="Container images for Htmx app" \
--project="$GCP_PROJECT_ID"
echo " Repository created."
fi
# ── Step 4: Grant current user the minimum required IAM roles ─────────────────
CURRENT_USER="$(gcloud config get-value account)"
echo ""
echo ">>> Granting IAM roles to $CURRENT_USER ..."
for ROLE in \
"roles/run.developer" \
"roles/artifactregistry.writer" \
"roles/iam.serviceAccountUser" \
"roles/secretmanager.admin" \
"roles/secretmanager.secretAccessor" \
"roles/secretmanager.secretVersionAdder"; do
echo " Adding role: $ROLE"
gcloud projects add-iam-policy-binding "$GCP_PROJECT_ID" \
--member="user:$CURRENT_USER" \
--role="$ROLE" \
--quiet
done
echo ""
echo ">>> Project setup complete."
echo ""
echo ">>> Summary:"
echo " Project ID: $GCP_PROJECT_ID"
echo " Region: $GCP_REGION"
echo " Artifact Registry: ${GCP_REGION}-docker.pkg.dev/${GCP_PROJECT_ID}/${GCP_REPOSITORY}"
echo ""
echo ">>> Next step: run GCR/scripts/03-create-secrets.sh"