diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 27f461c..b0faa65 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,36 +1,14 @@
 # Image for a Python 3 development environment
-FROM python:3.11-slim
-
-# Add any tools that are needed beyond Python 3.11
-RUN apt-get update && \
-    apt-get install -y sudo vim make git zip tree curl wget jq procps net-tools && \
-    apt-get autoremove -y && \
-    apt-get clean -y
-
-# Create a user for development
-ARG USERNAME=vscode
-ARG USER_UID=1000
-ARG USER_GID=$USER_UID
-
-# Create the user with passwordless sudo privileges
-RUN groupadd --gid $USER_GID $USERNAME \
-    && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME -s /bin/bash \
-    && usermod -aG sudo $USERNAME \
-    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
-    && chmod 0440 /etc/sudoers.d/$USERNAME \
-    && chown -R $USERNAME:$USERNAME /home/$USERNAME
+FROM quay.io/rofrano/nyu-devops-base:su25
 
 # Set up the Python development environment
 WORKDIR /app
 COPY Pipfile Pipfile.lock ./
-RUN python -m pip install -U pip pipenv && \
-    pipenv install --system --dev
+RUN sudo python -m pip install -U pip pipenv && \
+    sudo pipenv install --system --dev
 
 ENV PORT=8000
 EXPOSE $PORT
 
 # Enable color terminal for docker exec bash
 ENV TERM=xterm-256color
-
-# Become a regular user
-USER $USERNAME
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index df669d1..18d71b7 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -13,7 +13,8 @@
 					"psycopg",
 					"pytest",
 					"onupdate",
-					"testdb"
+					"testdb",
+					"petstore"
 				],				
 				"[python]": {
 					"editor.defaultFormatter": "ms-python.black-formatter",
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 943efa8..b1725f5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,15 +53,21 @@ jobs:
           flake8 service tests --count --select=E9,F63,F7,F82 --show-source --statistics
           # check for complexity. The GitHub editor is 127 chars wide
           flake8 service tests --count --max-complexity=10 --max-line-length=127 --statistics
-          # Run pylint on the service
+          # Run pylint on the service package
           pylint service tests --max-line-length=127
 
       - name: Run unit tests with pytest
         run: |
-          pytest --pspec --cov=service --cov-fail-under=95 --disable-warnings
+          pytest --pspec --cov=service --cov-fail-under=95 --disable-warnings --cov-report=xml
         env:
           FLASK_APP: "wsgi:app"
           DATABASE_URI: "postgresql+psycopg://postgres:pgs3cr3t@postgres:5432/testdb"
 
-      - name: Upload code coverage
-        uses: codecov/codecov-action@v3.1.4
+      - name: Install packages for Codecov to work
+        run: apt update && apt install -y git curl gpg
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: nyu-devops/lab-flask-tdd        
\ No newline at end of file
diff --git a/Makefile b/Makefile
index bfb557d..6ca88bf 100644
--- a/Makefile
+++ b/Makefile
@@ -13,13 +13,12 @@ all: help
 .PHONY: venv
 venv: ## Create a Python virtual environment
 	$(info Creating Python 3 virtual environment...)
-	poetry shell
+	pipenv shell
 
 .PHONY: install
 install: ## Install Python dependencies
 	$(info Installing dependencies...)
-	poetry config virtualenvs.create false
-	poetry install
+	sudo pipenv install --system --dev
 
 .PHONY: lint
 lint: ## Run the linter
diff --git a/Pipfile b/Pipfile
index e3f528d..d789783 100644
--- a/Pipfile
+++ b/Pipfile
@@ -8,19 +8,19 @@ flask = "==3.1.1"
 flask-sqlalchemy = "==3.1.1"
 psycopg = {extras = ["binary"], version = "==3.2.4"}
 retry2 = "==0.9.5"
-python-dotenv = "==1.0.1"
-gunicorn = "==23.0.0"
+python-dotenv = "~=1.1.0"
+gunicorn = "~=23.0.0"
 
 [dev-packages]
-honcho = "~=2.0.0"
-pylint = "~=3.3.4"
-flake8 = "~=7.1.1"
 black = "~=25.1.0"
-pytest = "~=8.3.4"
+coverage = "~=7.8.2"
+flake8 = "~=7.2.0"
+pylint = "~=3.3.7"
+pytest = "~=8.3.5"
 pytest-pspec = "~=0.0.4"
-pytest-cov = "~=6.0.0"
+pytest-cov = "~=6.1.1"
 factory-boy = "~=3.3.3"
-coverage = "~=7.6.12"
+honcho = "~=2.0.0"
 httpie = "~=3.2.4"
 
 [requires]
diff --git a/setup.cfg b/setup.cfg
index b19a387..f6237be 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -47,6 +47,9 @@ exclude_lines =
     if __name__ == .__main__.:
 ignore_errors = true
 
+[coverage:xml]
+output=./coverage.xml
+
 [coverage:html]
 title = 'Test Coverage Report'