Shrinking the container even more, using cmagick + imagemagick to do iamge conversions

Dockerfile

@@ -1,9 +1,9 @@
 FROM python:3.8 as build
 ADD app/requirements.txt /requirements.txt
-RUN apt-get update && apt-get install -y --no-install-recommends libmagickwand-dev && pip install --no-cache-dir -q -r requirements.txt
+RUN pip install --no-cache-dir -q -r requirements.txt
 
 FROM python:3.8-slim
-RUN apt-get update && apt-get install -y --no-install-recommends libmagickwand-dev \
+RUN apt-get update && apt-get install -y --no-install-recommends imagemagick \
     && apt-get autoremove -y \
     && apt-get purge -y --auto-remove \
     && rm -rf /var/lib/apt/lists/* /root

Dockerfile-test-env

@@ -1,9 +1,9 @@
 FROM python:3.8 as build
 ADD app/requirements.txt /requirements.txt
-RUN apt-get update && apt-get install -y --no-install-recommends libmagickwand-dev && pip install --no-cache-dir -q -r requirements.txt
+RUN pip install --no-cache-dir -q -r requirements.txt
 
 FROM python:3.8-slim
-RUN apt-get update && apt-get install -y --no-install-recommends libmagickwand-dev
+RUN apt-get update && apt-get install -y --no-install-recommends imagemagick
 COPY --from=0 /usr/local/lib/python3.8/site-packages /usr/local/lib/python3.8/site-packages
 ADD app /app
 WORKDIR /app

app/bot.py

@@ -77,7 +77,7 @@ async def based(ctx):
 
 @bot.listen("on_message")
 async def convert_heic_to_jpg(ctx):
-    from wand.image import Image
+    from cmagick import cmagick
 
     if ctx.attachments:
         for attachment in ctx.attachments:
@@ -86,11 +86,8 @@ async def convert_heic_to_jpg(ctx):
                 jpg_file = "/tmp/converted.jpg"
                 await attachment.save(fp=source_file)
 
-                # Convert to jpg
-                img = Image(filename=source_file)
-                img.format = "jpg"
-                img.save(filename=jpg_file)
-                img.close()
+                img = cmagick.convert(source_file, jpg_file)
+
                 try:
                     await ctx.delete()
                 except Exception:

app/requirements.txt

@@ -1,10 +1,10 @@
 beautifulsoup4
+cmagick
 discord.py
 gTTS
 lxml
+owotext
 pandas
 requests
-owotext
 wikipedia
 wolframalpha
-Wand