diff --git a/Dockerfile b/Dockerfile
index 585324fa..2e38b410 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # pip dependencies install stage
-FROM python:3.8-slim as builder
+FROM python:3.10-slim as builder
 
 # See `cryptography` pin comment in requirements.txt
 ARG CRYPTOGRAPHY_DONT_BUILD_RUST=1
@@ -29,23 +29,16 @@ RUN pip install --target=/dependencies playwright~=1.27.1 \
     || echo "WARN: Failed to install Playwright. The application can still run, but the Playwright option will be disabled."
 
 # Final image stage
-FROM python:3.8-slim
+FROM python:3.10-slim
 
-# See `cryptography` pin comment in requirements.txt
-ARG CRYPTOGRAPHY_DONT_BUILD_RUST=1
-
-# Re #93, #73, excluding rustc (adds another 430Mb~)
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    g++ \
-    gcc \
+    libssl1.1 \
+    libxslt1.1 \
     # For pdftohtml
     poppler-utils \
-    libc-dev \
-    libffi-dev \
-    libjpeg-dev \
-    libssl-dev \
-    libxslt-dev \
-    zlib1g-dev
+    zlib1g \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
 
 # https://stackoverflow.com/questions/58701233/docker-logs-erroneously-appears-empty-until-container-stops
 ENV PYTHONUNBUFFERED=1
diff --git a/changedetectionio/dev-docker/Dockerfile b/changedetectionio/dev-docker/Dockerfile
deleted file mode 100644
index f16eac91..00000000
--- a/changedetectionio/dev-docker/Dockerfile
+++ /dev/null
@@ -1,14 +0,0 @@
-FROM python:3.8-slim
-
-# https://stackoverflow.com/questions/58701233/docker-logs-erroneously-appears-empty-until-container-stops
-ENV PYTHONUNBUFFERED=1
-
-WORKDIR /app
-
-RUN [ ! -d "/datastore" ] && mkdir /datastore
-
-COPY sleep.py /
-CMD [ "python", "/sleep.py" ]
-
-
-
diff --git a/changedetectionio/dev-docker/sleep.py b/changedetectionio/dev-docker/sleep.py
deleted file mode 100644
index 27c632b5..00000000
--- a/changedetectionio/dev-docker/sleep.py
+++ /dev/null
@@ -1,7 +0,0 @@
-import time
-
-print ("Sleep loop, you should run your script from the console")
-
-while True: 
-    # Wait for 5 seconds
-    time.sleep(2)