diff --git a/.github/workflows/pytest-petsc.yml b/.github/workflows/pytest-petsc.yml
index ce74eceb4a..f541fb8872 100644
--- a/.github/workflows/pytest-petsc.yml
+++ b/.github/workflows/pytest-petsc.yml
@@ -54,16 +54,15 @@ jobs:
 
     - name: Build docker image
       run: |
-          docker build . --file docker/Dockerfile.devito --tag devito_img --build-arg base=zoeleibowitz/bases:cpu-${{ matrix.arch }} --build-arg petscinstall=petsc
-          docker tag devito_img ${{ secrets.DOCKER_USERNAME }}/devito_img:latest
+          docker build -f docker/Dockerfile.devito --build-arg base=zoeleibowitz/petsc_image:latest --tag zoeleibowitz/petsc_devito_image:latest .
 
     - name: Push Docker image to DockerHub
       run: |
-          docker push ${{ secrets.DOCKER_USERNAME }}/devito_img:latest
+          docker push ${{ secrets.DOCKER_USERNAME }}/petsc_devito_image:latest
 
     - name: Set run prefix
       run: |
-          echo "RUN_CMD=docker run --rm -t -e CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }} --name testrun devito_img"  >> $GITHUB_ENV
+          echo "RUN_CMD=docker run --rm -t -e CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }} --name testrun zoeleibowitz/petsc_devito_image:latest"  >> $GITHUB_ENV
       id: set-run
 
     - name: Set tests
diff --git a/docker/Dockerfile.devito b/docker/Dockerfile.devito
index ba41309fd9..8e4148555e 100644
--- a/docker/Dockerfile.devito
+++ b/docker/Dockerfile.devito
@@ -4,26 +4,8 @@
 
 # Base image with compilers
 ARG base=devitocodes/bases:cpu-gcc
-ARG petscinstall=""
 
-FROM $base AS copybase
-
-##################  Install PETSc ############################################
-FROM copybase AS petsccopybase
-
-RUN apt-get update && apt-get install -y git && \
-    python3 -m venv /venv && \
-    /venv/bin/pip install --no-cache-dir --upgrade pip && \
-    /venv/bin/pip install --no-cache-dir --no-binary numpy numpy && \
-    mkdir -p /opt/petsc && \
-    cd /opt/petsc && \
-    git clone -b release https://gitlab.com/petsc/petsc.git petsc && \
-    cd petsc && \
-    ./configure --with-fortran-bindings=0 --with-mpi-dir=/opt/openmpi --with-openblas-include=$(pkg-config --variable=includedir openblas) --with-openblas-lib=$(pkg-config --variable=libdir openblas)/libopenblas.so PETSC_ARCH=devito_build && \
-    make all
-
-ARG petscinstall=""
-FROM ${petscinstall}copybase AS builder
+FROM $base AS builder
 
 # User/Group Ids
 ARG USER_ID=1000
@@ -87,9 +69,6 @@ ARG GROUP_ID=1000
 ENV HOME=/app
 ENV APP_HOME=/app
 
-ENV PETSC_ARCH="devito_build"
-ENV PETSC_DIR="/opt/petsc/petsc"
-
 # Create the home directory for the new app user.
 # Create an app user so our program doesn't run as root.
 # Chown all the files to the app user.
diff --git a/docker/Dockerfile.petsc b/docker/Dockerfile.petsc
new file mode 100644
index 0000000000..6bf0800a8e
--- /dev/null
+++ b/docker/Dockerfile.petsc
@@ -0,0 +1,25 @@
+##############################################################
+# Dockerfile.petsc: Installs PETSc
+##############################################################
+
+# Base image with compilers
+# TODO: to be updated, but made some additions to Dockerfile.cpu so need to
+# use the one from my dockerhub
+ARG base=zoeleibowitz/bases:cpu-gcc
+
+RUN apt-get update && apt-get install -y git && \
+    python3 -m venv /venv && \
+    /venv/bin/pip install --no-cache-dir --upgrade pip && \
+    /venv/bin/pip install --no-cache-dir --no-binary numpy numpy && \
+    mkdir -p /opt/petsc && \
+    cd /opt/petsc && \
+    git clone -b release https://gitlab.com/petsc/petsc.git petsc && \
+    cd petsc && \
+    ./configure --with-fortran-bindings=0 --with-mpi-dir=/opt/openmpi \
+                --with-openblas-include=$(pkg-config --variable=includedir openblas) \
+                --with-openblas-lib=$(pkg-config --variable=libdir openblas)/libopenblas.so \
+                PETSC_ARCH=devito_build && \
+    make all
+
+ENV PETSC_DIR="/opt/petsc/petsc"
+ENV PETSC_ARCH="devito_build"