Add Docker configuration

Dockerfile

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+FROM alpine:3.19.1 as assets
+
+RUN apk add --update \
+      bash \
+      git \
+      git-lfs
+
+COPY --chmod=755 ./assets-download.sh /assets-download.sh
+
+RUN /assets-download.sh 88e42f0cb3662ddc0dd263a4814206ce96d53214 assets
+
+FROM python:3.10.14-bullseye as app
+
+SHELL [ "/bin/bash", "-c" ]
+
+RUN apt update && \
+    apt install -y \
+      libsndfile1 \
+      libsndfile1-dev
+
+COPY --from=assets /assets /assets
+
+WORKDIR /app
+
+RUN pip install "poetry==1.7.1"
+
+COPY ./pyproject.toml .
+
+RUN poetry install
+
+COPY ./rvc ./rvc
+
+COPY ./.env-docker ./.env
+
+CMD [ "poetry", "run", "poe", "rvc-api" ]