Use recommended docker steps

Context:

I am bad at docker

Author: phalt

Resources/docker/app/Dockerfile

@@ -1,19 +1,24 @@
-FROM python:3.13.22-alpine AS builder
+FROM python:3.13.7-alpine AS builder
 
 ENV PYTHONUNBUFFERED=1
 
 RUN mkdir /code
 WORKDIR /code
 
-COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+# Install UV
+RUN apk add --no-cache curl
+RUN curl -LsSf https://astral.sh/uv/install.sh | sh
 
-ADD pyproject.toml /code/
+# Copy dependency files
+ADD pyproject.toml uv.lock* /code/
+
+# Install dependencies
 RUN apk add --no-cache postgresql-libs libstdc++
 RUN apk add --no-cache --virtual .build-deps gcc g++ musl-dev \
     postgresql-dev binutils rust cargo && \
-    uv sync
+    /root/.local/bin/uv sync --frozen --no-dev
 
-FROM python:3.13.22-alpine
+FROM python:3.13.7-alpine
 
 ENV PYTHONUNBUFFERED=1
 ENV DJANGO_SETTINGS_MODULE='config.docker-compose'