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docker: optimize backend image size — reduce ~862MB COPY layer

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- Install only main dependencies (skip dev deps like pytest, black, ruff)
- Clean up build artifacts, caches, and unnecessary packages
- Replace wholesale COPY with selective copying of required files
- Add --no-cache-dir to pip install

This reduces the bloated 862MB layer from COPY --from=builder /app /app
by only copying what's actually needed at runtime: virtualenv, libs,
schema, and Prisma-generated types. All 7 backend services benefit.
This commit is contained in:
Bentlybro
2026-01-31 18:29:09 +00:00
parent 7ee94d986c
commit 4f37a12743
1 changed files with 17 additions and 4 deletions
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21
autogpt_platform/backend/Dockerfile
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@@ -37,13 +37,13 @@ ENV POETRY_VIRTUALENVS_CREATE=true
ENV POETRY_VIRTUALENVS_IN_PROJECT=true
ENV PATH=/opt/poetry/bin:$PATH
RUN pip3 install poetry --break-system-packages
RUN pip3 install --no-cache-dir poetry --break-system-packages
# Copy and install dependencies
COPY autogpt_platform/autogpt_libs /app/autogpt_platform/autogpt_libs
COPY autogpt_platform/backend/poetry.lock autogpt_platform/backend/pyproject.toml /app/autogpt_platform/backend/
WORKDIR /app/autogpt_platform/backend
RUN poetry install --no-ansi --no-root
RUN poetry install --no-ansi --no-root --only main
# Generate Prisma client
COPY autogpt_platform/backend/schema.prisma ./
@@ -51,6 +51,16 @@ COPY autogpt_platform/backend/backend/data/partial_types.py ./backend/data/parti
COPY autogpt_platform/backend/gen_prisma_types_stub.py ./
RUN poetry run prisma generate && poetry run gen-prisma-stub
# Clean up build artifacts and caches to reduce layer size
RUN find /app -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null; \
find /app -type d -name tests -exec rm -rf {} + 2>/dev/null; \
find /app -type d -name test -exec rm -rf {} + 2>/dev/null; \
rm -rf /app/autogpt_platform/backend/.venv/lib/python*/site-packages/pip* \
/app/autogpt_platform/backend/.venv/lib/python*/site-packages/setuptools* \
/root/.cache/pip \
/root/.cache/pypoetry; \
true
FROM debian:13-slim AS server_dependencies
WORKDIR /app
@@ -68,8 +78,11 @@ RUN apt-get update && apt-get install -y \
python3-pip \
&& rm -rf /var/lib/apt/lists/*
# Copy only necessary files from builder
COPY --from=builder /app /app
# Copy only necessary files from builder (selective copying reduces image size)
COPY --from=builder /app/autogpt_platform/backend/.venv /app/autogpt_platform/backend/.venv
COPY --from=builder /app/autogpt_platform/autogpt_libs /app/autogpt_platform/autogpt_libs
COPY --from=builder /app/autogpt_platform/backend/schema.prisma /app/autogpt_platform/backend/schema.prisma
COPY --from=builder /app/autogpt_platform/backend/backend/data/partial_types.py /app/autogpt_platform/backend/backend/data/partial_types.py
COPY --from=builder /usr/local/lib/python3* /usr/local/lib/python3*
COPY --from=builder /usr/local/bin/poetry /usr/local/bin/poetry
# Copy Node.js installation for Prisma