Dockerize project with client and backend support (#55)

* set redis backend url automatically for docker builds

* initial docker build config

* rename docker scripts

* fix script paths

* remove old Dockerfiles

* set vite proxy base url depending on mode

* docker build config for client/

* docker production build for client

* refactor docker files

* update nginx config to set maximum file size

* reduce docker image size

* fix demucs bug in docker

* fix proxy timeout

* add gpu capabality for api container

* add compose files for dev and prod

* add healthcheck for freqsplit-api

* add model checkpoints to api image

* set healthcheck retries to 24

api/Dockerfile

@@ -0,0 +1,68 @@
+# ---------------------
+# Stage 1: Builder
+# ---------------------
+FROM python:3.12.7 AS builder
+
+# Install build deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential libpq-dev git curl \
+    libffi-dev libssl-dev rustc cargo \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY src/ src/
+
+# Copy metadata and install deps
+COPY pyproject.toml requirements.txt ./
+RUN pip install --upgrade pip && \
+    pip install --prefix=/install --no-cache-dir -e .
+
+# --- Patch Demucs bug here ---
+# Fixes the following error when using htdemucs model:
+# RuntimeError: unsupported operation: more than one element of the written-to tensor refers to a single memory location. Please clone() the tensor before performing the operation.
+RUN find /install -type f -path "*/site-packages/demucs/separate.py" \
+    -exec sed -i 's/wav -= ref.mean()/wav = (wav - ref.mean()).clone()/' {} \;
+
+
+
+# Copy source for build-time extras (if needed)
+COPY api/ api/
+COPY docker/daphne api/
+COPY docker/celery api/
+COPY docker/wrapper api/
+
+# ---------------------
+# Stage 2: Runtime
+# ---------------------
+FROM python:3.12.7
+# Install runtime system packages (only what’s needed)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libpq-dev curl libffi-dev libssl-dev wget\
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy only installed site-packages and app
+COPY --from=builder /install /usr/local
+COPY api/ api/
+COPY src/ src/
+COPY pytest.ini .
+COPY tests/ tests/
+COPY LICENSE .
+COPY docker/daphne api/
+COPY docker/celery api/
+COPY docker/wrapper api/
+
+# Test packages and download model checkpoints
+RUN pytest
+RUN rm pytest.ini
+RUN rm -rf tests/
+
+
+# Set working dir for backend
+WORKDIR /app/api
+
+ENV CELERY_BROKER_URL=redis://redis:6379/0
+
+EXPOSE 8000
+CMD ./wrapper

api/backend/settings.py

@@ -1,3 +1,5 @@
+import os
+
 """
 Django settings for backend project.
 
@@ -141,7 +143,7 @@ STATIC_URL = 'static/'
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
 
 # COnfigure Redis as message broker
-CELERY_BROKER_URL = 'redis://localhost:6379/0'
+CELERY_BROKER_URL = os.getenv('CELERY_BROKER_URL', 'redis://localhost:6379/0')
 CELERY_ACCEPT_CONTENT = ['json']
 CELERY_TASK_SERIALIZER = 'json'
 CELERY_BROKER_CONNECTION_RETRY_ON_STARTUP = True