feat: Enable multi-platform Docker builds and dynamic image tagging

- Detect host architecture to set build platform - Support
multi-platform builds when MULTI_PLATFORM=1 or CONTAINER_REGISTRY is set
- Dynamically set image tag based on registry and platform - Pull pushed
images for local validation - Update all docker run and inspect commands
to use dynamic image tag

scripts/deploy-k8s.sh

@@ -52,21 +52,21 @@ load_env() {
 # Function to substitute environment variables in template files
 substitute_templates() {
     print_info "Processing template files..."
-    
+
     # Create temporary directory
     mkdir -p "$TEMP_DIR"
-    
+
     # Process each template file
     for template_file in "$K8S_DIR"/*.template; do
         if [[ -f "$template_file" ]]; then
             local filename=$(basename "$template_file" .template)
             local output_file="$TEMP_DIR/$filename"
-            
+
             print_info "Processing template: $filename"
-            
+
             # Substitute environment variables
             envsubst < "$template_file" > "$output_file"
-            
+
             print_success "Generated: $output_file"
         fi
     done
@@ -76,13 +76,13 @@ substitute_templates() {
 validate_env() {
     local required_vars=("INGRESS_HOST")
     local missing_vars=()
-    
+
     for var in "${required_vars[@]}"; do
         if [[ -z "${!var:-}" ]]; then
             missing_vars+=("$var")
         fi
     done
-    
+
     if [[ ${#missing_vars[@]} -gt 0 ]]; then
         print_error "Missing required environment variables:"
         for var in "${missing_vars[@]}"; do
@@ -108,15 +108,15 @@ ensure_namespace() {
 # Function to apply Kubernetes manifests
 apply_manifests() {
     local manifest_dir="$1"
-    
+
     print_info "Applying Kubernetes manifests from $manifest_dir"
-    
+
     # Apply static files that don't have template counterparts
     for manifest_file in "$K8S_DIR"/*.yaml; do
         if [[ -f "$manifest_file" && ! "$manifest_file" =~ \.template$ ]]; then
             local basename_file=$(basename "$manifest_file")
             local template_file="$K8S_DIR/${basename_file}.template"
-            
+
             # Only apply if there's no corresponding template file
             if [[ ! -f "$template_file" ]]; then
                 print_info "Applying static file: $basename_file"
@@ -124,7 +124,7 @@ apply_manifests() {
             fi
         fi
     done
-    
+
     # Apply processed template files
     if [[ -d "$TEMP_DIR" ]]; then
         for manifest_file in "$TEMP_DIR"/*.yaml; do
@@ -148,19 +148,19 @@ cleanup() {
 show_status() {
     print_info "Deployment Status:"
     echo ""
-    
+
     print_info "Pods:"
     kubectl get pods -l app=rxminder -n "$NAMESPACE"
     echo ""
-    
+
     print_info "Services:"
     kubectl get services -l app=rxminder -n "$NAMESPACE"
     echo ""
-    
+
     print_info "Ingress:"
     kubectl get ingress -l app=rxminder -n "$NAMESPACE"
     echo ""
-    
+
     if [[ -n "${INGRESS_HOST:-}" ]]; then
         print_success "Application should be available at: http://$INGRESS_HOST"
     fi
@@ -190,7 +190,7 @@ main() {
     local dry_run=false
     local status_only=false
     local cleanup_only=false
-    
+
     # Parse command line arguments
     while [[ $# -gt 0 ]]; do
         case $1 in
@@ -221,54 +221,56 @@ main() {
             ;;
         esac
     done
-    
+
     # Handle cleanup only
     if [[ "$cleanup_only" == true ]]; then
         cleanup
         exit 0
     fi
-    
+
     # Handle status only
     if [[ "$status_only" == true ]]; then
+        load_env "$env_file"
+        NAMESPACE="${NAMESPACE:-rxminder}"
         show_status
         exit 0
     fi
-    
+
     # Check if kubectl is available
     if ! command -v kubectl &> /dev/null; then
         print_error "kubectl is not installed or not in PATH"
         exit 1
     fi
-    
+
     # Check if we can connect to Kubernetes cluster
     if ! kubectl cluster-info &> /dev/null; then
         print_error "Cannot connect to Kubernetes cluster"
         print_info "Make sure your kubectl is configured correctly"
         exit 1
     fi
-    
+
     print_info "🚀 Deploying Medication Reminder App to Kubernetes"
     echo ""
-    
+
     # Load environment variables
     load_env "$env_file"
-    
+
     # Set default namespace if not provided in environment
     NAMESPACE="${NAMESPACE:-rxminder}"
-    
+
     # Validate required environment variables
     validate_env
-    
+
     # Ensure namespace exists
     ensure_namespace
-    
+
     # Process templates
     substitute_templates
-    
+
     if [[ "$dry_run" == true ]]; then
         print_info "Dry run mode - showing generated manifests:"
         echo ""
-        
+
         for manifest_file in "$TEMP_DIR"/*.yaml; do
             if [[ -f "$manifest_file" ]]; then
                 echo "=== $(basename "$manifest_file") ==="
@@ -279,14 +281,14 @@ main() {
     else
         # Apply manifests
         apply_manifests "$K8S_DIR"
-        
+
         print_success "Deployment completed!"
         echo ""
-        
+
         # Show status
         show_status
     fi
-    
+
     # Cleanup
     cleanup
 }

scripts/deploy.sh

@@ -59,7 +59,7 @@ print_success "Environment files exist"
 
 # Validate environment consistency
 print_status "2. Checking environment variable consistency..."
-./validate-env.sh
+./scripts/validate-env.sh
 
 print_status "3. Setting up Docker Buildx..."
 
@@ -80,9 +80,35 @@ docker buildx use meds-builder
 
 print_status "4. Building multi-platform Docker image with buildx..."
 
-# Build the image with buildx for multiple platforms
+# Determine host platform
+HOST_ARCH="$(uname -m)"
+case "$HOST_ARCH" in
+  x86_64) HOST_PLATFORM="linux/amd64" ;;
+  aarch64|arm64) HOST_PLATFORM="linux/arm64" ;;
+  *) HOST_PLATFORM="linux/amd64" ;;
+esac
+
+# Decide build strategy:
+# Enable multi-platform (push) if MULTI_PLATFORM=1 or CONTAINER_REGISTRY is set
+if [[ "${MULTI_PLATFORM:-0}" == "1" || -n "${CONTAINER_REGISTRY:-}" ]]; then
+    BUILD_PLATFORMS="linux/amd64,linux/arm64"
+    EXPORT_MODE="--push"
+    # If CONTAINER_REGISTRY provided, ensure trailing slash
+    if [[ -n "${CONTAINER_REGISTRY:-}" && "${CONTAINER_REGISTRY}" != */ ]]; then
+        CONTAINER_REGISTRY="${CONTAINER_REGISTRY}/"
+    fi
+    IMAGE_TAG="${IMAGE_TAG:-${CONTAINER_REGISTRY:-}meds-validation:latest}"
+    print_status "Multi-platform build enabled (platforms: $BUILD_PLATFORMS) -> push $IMAGE_TAG"
+else
+    BUILD_PLATFORMS="$HOST_PLATFORM"
+    EXPORT_MODE="--load"
+    IMAGE_TAG="${IMAGE_TAG:-meds-validation}"
+    print_status "Single-platform build ($BUILD_PLATFORMS) -> load locally as $IMAGE_TAG"
+fi
+
+# Perform build
 docker buildx build --no-cache \
---platform linux/amd64,linux/arm64 \
+--platform "$BUILD_PLATFORMS" \
 --build-arg COUCHDB_USER="${COUCHDB_USER:-admin}" \
 --build-arg COUCHDB_PASSWORD="${COUCHDB_PASSWORD:-change-this-secure-password}" \
 --build-arg VITE_COUCHDB_URL="${VITE_COUCHDB_URL:-http://localhost:5984}" \
@@ -95,10 +121,16 @@ docker buildx build --no-cache \
 --build-arg MAILGUN_DOMAIN="${MAILGUN_DOMAIN:-}" \
 --build-arg MAILGUN_FROM_EMAIL="${MAILGUN_FROM_EMAIL:-}" \
 --build-arg NODE_ENV="${NODE_ENV:-production}" \
--t meds-validation \
+-t "$IMAGE_TAG" \
---load \
+$EXPORT_MODE \
 .
 
+# If we pushed (multi-platform), pull the host-specific image for local tests
+if [[ "$EXPORT_MODE" == "--push" ]]; then
+    print_status "Pulling image $IMAGE_TAG for local validation..."
+    docker pull "$IMAGE_TAG"
+fi
+
 print_success "Docker image built successfully"
 
 print_status "5. Testing container startup and health..."
@@ -107,7 +139,7 @@ print_status "5. Testing container startup and health..."
 docker run --rm -d \
 -p 8083:80 \
 --name meds-validation-test \
-meds-validation
+"$IMAGE_TAG"
 
 # Wait for container to start
 sleep 5
@@ -176,13 +208,13 @@ else
 fi
 
 print_status "9. Checking image size..."
-IMAGE_SIZE=$(docker image inspect meds-validation --format='{{.Size}}' | numfmt --to=iec)
+IMAGE_SIZE=$(docker image inspect "$IMAGE_TAG" --format='{{.Size}}' | numfmt --to=iec)
 print_success "Image size: $IMAGE_SIZE"
 
 print_status "10. Validating security configuration..."
 
 # Check if image runs as non-root
-USER_INFO=$(docker run --rm meds-validation whoami)
+USER_INFO=$(docker run --rm "$IMAGE_TAG" whoami)
 if [[ "$USER_INFO" != "root" ]]; then
     print_success "Container runs as non-root user: $USER_INFO"
 else
@@ -190,7 +222,7 @@ else
 fi
 
 # Check nginx configuration
-if docker run --rm meds-validation nginx -t 2>/dev/null; then
+if docker run --rm "$IMAGE_TAG" nginx -t 2>/dev/null; then
     print_success "Nginx configuration is valid"
 else
     print_error "Nginx configuration has issues"