diff --git a/part3/phonebook/.dockerignore b/part3/phonebook/.dockerignore
deleted file mode 100644
index 74340d4..0000000
--- a/part3/phonebook/.dockerignore
+++ /dev/null
@@ -1,6 +0,0 @@
-/.git
-/node_modules
-.dockerignore
-.env
-Dockerfile
-fly.toml
diff --git a/part3/phonebook/Dockerfile b/part3/phonebook/Dockerfile
deleted file mode 100644
index f378346..0000000
--- a/part3/phonebook/Dockerfile
+++ /dev/null
@@ -1,42 +0,0 @@
-# syntax = docker/dockerfile:1
-
-# Adjust NODE_VERSION as desired
-ARG NODE_VERSION=16.20.0
-FROM node:${NODE_VERSION}-slim as base
-
-LABEL fly_launch_runtime="Node.js"
-
-# Node.js app lives here
-WORKDIR /app
-
-# Set production environment
-ENV NODE_ENV=production
-
-
-# Throw-away build stage to reduce size of final image
-FROM base as build
-
-# Install packages needed to build node modules
-RUN apt-get update -qq && \
-    apt-get install -y python pkg-config build-essential 
-
-# Install node modules
-COPY --link package.json package-lock.json ./
-RUN npm ci --include=dev
-
-# Copy application code
-COPY --link . .
-
-# Remove development dependencies
-RUN npm prune --omit=dev
-
-
-# Final stage for app image
-FROM base
-
-# Copy built application
-COPY --from=build /app /app
-
-# Start the server by default, this can be overwritten at runtime
-EXPOSE 3000
-CMD [ "npm", "run", "start" ]
diff --git a/part3/phonebook/fly.toml b/part3/phonebook/fly.toml
deleted file mode 100644
index dd8560d..0000000
--- a/part3/phonebook/fly.toml
+++ /dev/null
@@ -1,35 +0,0 @@
-# fly.toml app configuration file generated for cool-fire-3272 on 2023-05-19T08:53:08+03:00
-#
-# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
-#
-
-app = "cool-fire-3272"
-primary_region = "arn"
-
-[env]
-   PORT = "3001"
-
-[experimental]
-  allowed_public_ports = []
-  auto_rollback = true
-
-[[services]]
-  http_checks = []
-  internal_port = 3001
-  processes = ["app"]
-  protocol = "tcp"
-  script_checks = []
-  [services.concurrency]
-    hard_limit = 25
-    soft_limit = 20
-    type = "connections"
-
-  [[services.ports]]
-    force_https = true
-    handlers = ["http"]
-    port = 80
-
-  [[services.ports]]
-    handlers = ["tls", "http"]
-    port = 443
-