add PATCH update delivery status by id

backend/Dockerfile

@@ -0,0 +1,34 @@
+# Stage 1: Builder
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /app
+
+# Install git and build dependencies
+RUN apk add --no-cache git
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -o api ./cmd/api
+
+# Stage 2: Production
+FROM alpine:latest AS production
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /app/api .
+
+# Copy migrations
+COPY internal/db/migrations ./migrations
+
+EXPOSE 8080
+
+CMD ["./api"]

backend/cmd/api/main.go

@@ -35,8 +35,10 @@ func main() {
 
 	r.GET("/api/deliveries", h.GetDeliveries)
 	r.GET("/api/deliveries/:id", h.GetDeliveryByID)
+	r.GET("/api/deliveries/count", h.GetDeliveryCount)
 	r.POST("/api/deliveries", h.CreateDelivery)
 	r.PATCH("/api/deliveries/:id", h.UpdateDelivery)
+	r.PATCH("/api/deliveries/:id/status", h.UpdateDeliveryStatus)
 	r.DELETE("/api/deliveries/:id", h.DeleteDelivery)
 
 	r.Run(":8080")

backend/internal/db/queries/query.sql

@@ -14,3 +14,9 @@ DELETE FROM deliveries WHERE id = $1;
 
 -- name: UpdateDelivery :exec
 UPDATE deliveries SET date = $1, pickup_location = $2, product_name = $3, address = $4, phone = $5, additional_phone = $6, has_elevator = $7, comment = $8, updated_at = NOW() WHERE id = $9;
+
+-- name: GetDeliveryCount :many
+SELECT COUNT(*) as count, date FROM deliveries WHERE date >= DATE_TRUNC('month', CURRENT_DATE) GROUP BY date;
+
+-- name: UpdateDeliveryStatus :exec
+UPDATE deliveries SET status = $1, updated_at = NOW() WHERE id = $2;

backend/internal/db/sqlc/querier.go

@@ -15,7 +15,9 @@ type Querier interface {
 	DeleteDelivery(ctx context.Context, id pgtype.UUID) error
 	GetDeliveriesByDate(ctx context.Context, date pgtype.Date) ([]Delivery, error)
 	GetDeliveryByID(ctx context.Context, id pgtype.UUID) (Delivery, error)
+	GetDeliveryCount(ctx context.Context) ([]GetDeliveryCountRow, error)
 	UpdateDelivery(ctx context.Context, arg UpdateDeliveryParams) error
+	UpdateDeliveryStatus(ctx context.Context, arg UpdateDeliveryStatusParams) error
 }
 
 var _ Querier = (*Queries)(nil)

backend/internal/db/sqlc/query.sql.go

@@ -127,6 +127,35 @@ func (q *Queries) GetDeliveryByID(ctx context.Context, id pgtype.UUID) (Delivery
 	return i, err
 }
 
+const getDeliveryCount = `-- name: GetDeliveryCount :many
+SELECT COUNT(*) as count, date FROM deliveries WHERE date >= DATE_TRUNC('month', CURRENT_DATE) GROUP BY date
+`
+
+type GetDeliveryCountRow struct {
+	Count int64       `db:"count" json:"count"`
+	Date  pgtype.Date `db:"date" json:"date"`
+}
+
+func (q *Queries) GetDeliveryCount(ctx context.Context) ([]GetDeliveryCountRow, error) {
+	rows, err := q.db.Query(ctx, getDeliveryCount)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []GetDeliveryCountRow{}
+	for rows.Next() {
+		var i GetDeliveryCountRow
+		if err := rows.Scan(&i.Count, &i.Date); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
 const updateDelivery = `-- name: UpdateDelivery :exec
 UPDATE deliveries SET date = $1, pickup_location = $2, product_name = $3, address = $4, phone = $5, additional_phone = $6, has_elevator = $7, comment = $8, updated_at = NOW() WHERE id = $9
 `
@@ -157,3 +186,17 @@ func (q *Queries) UpdateDelivery(ctx context.Context, arg UpdateDeliveryParams)
 	)
 	return err
 }
+
+const updateDeliveryStatus = `-- name: UpdateDeliveryStatus :exec
+UPDATE deliveries SET status = $1, updated_at = NOW() WHERE id = $2
+`
+
+type UpdateDeliveryStatusParams struct {
+	Status string      `db:"status" json:"status"`
+	ID     pgtype.UUID `db:"id" json:"id"`
+}
+
+func (q *Queries) UpdateDeliveryStatus(ctx context.Context, arg UpdateDeliveryStatusParams) error {
+	_, err := q.db.Exec(ctx, updateDeliveryStatus, arg.Status, arg.ID)
+	return err
+}

backend/internal/delivery/handler.go

@@ -69,6 +69,17 @@ func (h *Handler) GetDeliveries(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"deliveries": deliveries})
 }
 
+// GET /api/deliveries/count
+func (h *Handler) GetDeliveryCount(c *gin.Context) {
+	counts, err := h.queries.GetDeliveryCount(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get delivery count", "details": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"counts": counts})
+}
+
 // POST /api/deliveries
 func (h *Handler) CreateDelivery(c *gin.Context) {
 	var req DeliveryRequest = DeliveryRequest{}
@@ -149,6 +160,47 @@ func (h *Handler) UpdateDelivery(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"message": "Delivery updated"})
 }
 
+// PATCH /api/deliveries/:id/status
+func (h *Handler) UpdateDeliveryStatus(c *gin.Context) {
+	var req struct {
+		Status string `json:"status"`
+	}
+
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request body", "details": err.Error()})
+		return
+	}
+
+	id := c.Param("id")
+
+	if id == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "ID is required"})
+		return
+	}
+
+	parsedID, err := uuid.Parse(id)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid UUID format", "details": err.Error()})
+		return
+	}
+
+	status := req.Status
+	if status == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Status is required"})
+		return
+	}
+
+	if err := h.queries.UpdateDeliveryStatus(c.Request.Context(), sqlc.UpdateDeliveryStatusParams{
+		ID:     pgtype.UUID{Bytes: parsedID, Valid: true},
+		Status: status,
+	}); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update delivery status", "details": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "Delivery status updated"})
+}
+
 // DELETE /api/deliveries/:id
 func (h *Handler) DeleteDelivery(c *gin.Context) {
 	id := c.Param("id")

docker-compose.yml

@@ -1,4 +1,36 @@
 services:
+  # PostgreSQL database
+  postgres:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_USER: egor
+      POSTGRES_PASSWORD: barsik
+      POSTGRES_DB: delivery_tracker
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U egor -d delivery_tracker"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  # Backend API
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+      target: production
+    environment:
+      DATABASE_URL: postgres://egor:barsik@postgres:5432/delivery_tracker?sslmode=disable
+    ports:
+      - "8081:8080"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    restart: unless-stopped
+
   # Development service with hot reload
   frontend-dev:
     image: node:20-alpine
@@ -22,7 +54,10 @@ services:
       target: production
     ports:
       - "8080:80"
+    depends_on:
+      - backend
     restart: unless-stopped
 
 volumes:
   node_modules:
+  postgres_data: