Dockerfile optimisations!

Dockerfile

@@ -1,15 +1,30 @@
-FROM python:3.11.2 as base
+FROM python:3.12.0-alpine as build
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+RUN --mount=type=cache,target=/var/cache/apk/ \
+    --mount=type=cache,target=/root/.cache/pip \
+    --mount=type=bind,source=requirements.txt,target=requirements.txt \
+    : \
+    && apk add gcc musl-dev linux-headers \
+    && pip install -U -r requirements.txt
+
+
+FROM python:3.12.0-alpine as base
 WORKDIR /app
+COPY --from=build /opt/venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
 ENV PYTHONUNBUFFERED=0
-COPY requirements.txt alembic.ini ./
-RUN pip install -U -r requirements.txt
+COPY ./alembic.ini  ./
+COPY ./alembic ./alembic
+COPY ./src ./
+
 
 FROM base as prod
-COPY ./src ./
-CMD ["/bin/bash", "-c", "alembic upgrade head && python ./main.py bot --sync -c ./config.toml"]
+CMD ["/bin/sh", "-c", "alembic upgrade head && python ./main.py bot --sync -c ./config.toml"]
+
 
 FROM base as debug
 ENV DEBUG=1
 ENV LOG_LEVEL=DEBUG
 RUN pip install debugpy
-CMD ["/bin/bash", "-c", "alembic upgrade head && python -m debugpy --wait-for-client --listen 0.0.0.0:5678 ./src/main.py bot -c ./config.toml"]
+CMD ["/bin/sh", "-c", "alembic upgrade head && python -m debugpy --wait-for-client --listen 0.0.0.0:5678 ./main.py bot -c ./config.toml"]

bin/alembic.sh

@@ -0,0 +1,2 @@
+docker compose --progress quiet up database -d --quiet-pull
+docker compose --progress quiet run --rm -t -v "${PWD}/alembic:/app/alembic" mybot alembic "$@"

docker-compose.dev.yml

@@ -5,8 +5,6 @@ services:
     build:
       target: debug
     restart: "no"
-    volumes:
-      - ./src:/app/src
     ports:
       - 5678:5678  # for debugging
       - 8080:8080

docker-compose.yml

@@ -7,6 +7,11 @@ services:
       context: .
       dockerfile: ./Dockerfile
       target: prod
+    develop:
+      watch:
+        - action: sync
+          path: ./src
+          target: /app
     env_file:
       - .env
     tty: true
@@ -15,8 +20,7 @@ services:
       database:
         condition: service_healthy
     volumes:
-      - ./data/locale:/app/locale
-      - ./alembic:/app/alembic
+      - ./resources/locale:/app/locale
       - ./config.toml:/app/config.toml
     ports:
       - 666:8081