From e903c472fe8a8825081fc5f50b22dcd4c796c43c Mon Sep 17 00:00:00 2001
From: Abhiek187 <achaudhuri2011@yahoo.com>
Date: Sat, 6 May 2023 16:59:54 -0400
Subject: [PATCH] Reduce the prod image size by 83%

---
 .dockerignore      |  2 +-
 Dockerfile         | 20 ++++++++++----------
 Dockerfile.dev     |  4 ----
 docker-compose.yml |  1 +
 4 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/.dockerignore b/.dockerignore
index d00375d..58dc989 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -92,7 +92,7 @@ venv/
 */*/*.swp
 */*/*/*.swp
 
-# Django stuff:
+# Django stuff
 *.log
 local_settings.py
 db.sqlite3
diff --git a/Dockerfile b/Dockerfile
index f5cb083..f5855d6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,26 +1,26 @@
+# Start with a python 3 base image
 ARG PYTHON_VERSION=3-alpine
-
 FROM python:${PYTHON_VERSION}
 
-RUN \
-    apk add --no-cache postgresql-libs && \
-    apk add --no-cache --virtual .build-deps gcc musl-dev postgresql-dev
-
-RUN mkdir -p /app
 WORKDIR /app
-
 COPY requirements.txt .
-RUN pip install -r requirements.txt
-RUN apk --purge del .build-deps
+
+# Install dependencies
+RUN \
+    apk add --no-cache postgresql-libs && \
+    apk add --no-cache --virtual .build-deps gcc musl-dev postgresql-dev && \
+    pip install -r requirements.txt --no-cache-dir && \
+    apk --purge del .build-deps
 
 COPY . .
 ENV SECRET_KEY=$SECRET_KEY FMP_API_KEY=$FMP_API_KEY
 
+# Initialize the Postgres database, load the flashcards data, and collect all static files
 RUN \
     python stockhelper/manage.py migrate && \
     python stockhelper/manage.py loaddata cards.json && \
     python stockhelper/manage.py collectstatic --noinput
 
+# Start an HTTP server
 EXPOSE 8080
-
 CMD ["gunicorn", "--bind", ":8080", "--workers", "2", "--chdir", "stockhelper", "stockhelper.wsgi"]
diff --git a/Dockerfile.dev b/Dockerfile.dev
index 00792f9..1f936c7 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -18,7 +18,3 @@ RUN \
 
 COPY . /code
 WORKDIR /code/stockhelper
-# Initialize the SQLite databases
-RUN python manage.py migrate
-# Load the flashcards data
-RUN python manage.py loaddata cards.json
diff --git a/docker-compose.yml b/docker-compose.yml
index 3a10c26..3791901 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,6 +6,7 @@ services:
     build:
       context: .
       dockerfile: Dockerfile.dev
+    # Initialize the SQLite database, load the flashcards data, and start the server
     command: >
       sh -c "python manage.py migrate &&
              python manage.py loaddata cards.json &&