feat: dockerize for prod

Signed-off-by: Ameya Shenoy <shenoy.ameya@gmail.com>

backend/Dockerfile

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+FROM python:3.10.9-slim-bullseye
+
+LABEL maintainer "Ameya Shenoy <shenoy.ameya@gmail.com>"
+
+ENV PYTHONUNBUFFERED=1
+ENV CRYPTOGRAPHY_DONT_BUILD_RUST=1
+
+ENV GUNICORN_VERSION=20.1.0
+ARG APP_USER=app
+
+WORKDIR /code
+
+COPY requirements.txt /
+
+RUN set -ex \
+  && pip install --no-cache-dir -r /requirements.txt \
+  && pip install --no-cache-dir gunicorn==$GUNICORN_VERSION \
+  && apk del .build-deps \
+  && addgroup -S ${APP_USER} \
+  && adduser -S ${APP_USER} -G ${APP_USER} \
+  && mkdir -p /code/static \
+  && mkdir -p /code/media \
+  && mkdir -p /code/static_cdn \
+  && mkdir -p /code/media_cdn \
+  && chown -R ${APP_USER}:${APP_USER} /code/
+
+COPY . /code
+WORKDIR /code
+
+RUN set -ex \
+  && python manage.py collectstatic --no-input
+
+EXPOSE 8000
+
+USER ${APP_USER}:${APP_USER}
+ENTRYPOINT gunicorn --workers 2 --bind 0.0.0.0 backend.wsgi
+

docker-compose.prod.yml

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+---
+
+version: '3.7'
+
+services:
+  web:
+    image: foldbank-web-prod
+    build:
+      context: ./web
+      dockerfile: Dockerfile
+    restart: unless-stopped
+
+  backend:
+    image: foldbank-backend-prod
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    env_file:
+      - prod.env
+    depends_on:
+      - redis
+      - postgres-db
+
+  redis:
+    image: redis:7.0.0-alpine3.16
+    restart: unless-stopped
+
+  postgres-db:
+    image: postgres:14.3-alpine3.16
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data/pgdata
+    env_file:
+      - prod.env
+
+volumes:
+  postgres-data:
+

web/Dockerfile

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+FROM node:16.19.1-alpine3.17
+
+COPY web /code
+WORKDIR /code
+
+RUN set -ex \
+  && npm i \
+  && npm run build
+
+ENTRYPOINT npm start
+