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emailservice: Reduced Docker image size to ~240 MB. Used multi stage builds and alpine image

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This commit is contained in:
Colin Nelson 2018-09-25 10:28:14 -07:00
parent 6a72e16fdc
commit ce404756ce
2 changed files with 63 additions and 28 deletions
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49
src/emailservice/Dockerfile
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@ -1,27 +1,52 @@
FROM python:2.7-alpine3.8 as base
FROM base as builder
# gRPC deps
RUN apk add --update --no-cache \
gcc \
linux-headers \
make \
musl-dev \
python-dev \
g++ \
cairo-dev \
cairo \
openssl-dev \
gobject-introspection-dev
ENV GRPC_PYTHON_VERSION 1.15.0
# Install grpcio
RUN python -m pip install --upgrade pip
RUN pip install grpcio==${GRPC_PYTHON_VERSION} grpcio-tools==${GRPC_PYTHON_VERSION}
# get packages
COPY requirements.txt .
RUN pip install -r requirements.txt
# Use the grpc.io provided Python image as the base image FROM base as final
FROM grpc/python:1.0
# download the grpc health probe # Download the grpc health probe
RUN GRPC_HEALTH_PROBE_VERSION=v0.1.0-alpha.1 && \ RUN GRPC_HEALTH_PROBE_VERSION=v0.1.0-alpha.1 && \
wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \ wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
chmod +x /bin/grpc_health_probe chmod +x /bin/grpc_health_probe
# show python logs as they occur # Show python logs as they occur
ENV PYTHONUNBUFFERED=0 ENV PYTHONUNBUFFERED=0
# install pip for python3
RUN apt-get -qqy update && \
apt-get -qqy install python3-pip
# get packages
WORKDIR /email_server WORKDIR /email_server
COPY requirements.txt .
RUN pip3 install -r requirements.txt # Grab packages from builder
COPY --from=builder /usr/local/lib/python2.7/ /usr/local/lib/python2.7/
# Need libstdc++ for grpc
RUN apk add --no-cache libstdc++
# Add the application # Add the application
COPY . . COPY . .
EXPOSE 8080 EXPOSE 8080
ENTRYPOINT [ "python3", "email_server.py" ] ENTRYPOINT [ "python", "email_server.py" ]

40
src/emailservice/requirements.txt
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@ -1,31 +1,41 @@
drive.web-frontend_20180920.00_p1
asn1crypto==0.24.0
cachetools==2.1.0 cachetools==2.1.0
certifi==2018.4.16 certifi==2018.8.24
cffi==1.11.5
chardet==3.0.4 chardet==3.0.4
cryptography==1.7.1 configparser==3.5.0
google-api-core==1.2.1 cryptography==2.3.1
google-auth==1.5.0 entrypoints==0.2.3
enum34==1.1.6
futures==3.2.0
google-api-core==1.4.0
google-auth==1.5.1
google-cloud-core==0.28.1 google-cloud-core==0.28.1
google-cloud-trace==0.19.0 google-cloud-trace==0.19.0
googleapis-common-protos==1.5.3 googleapis-common-protos==1.5.3
grpc-google-iam-v1==0.11.4 grpc-google-iam-v1==0.11.4
grpcio==1.12.1 grpcio==1.15.0
grpcio-health-checking==1.14.1 grpcio-health-checking==1.15.0
grpcio-tools==1.12.1 grpcio-tools==1.15.0
idna==2.7 idna==2.7
ipaddress==1.0.22
Jinja2==2.10 Jinja2==2.10
keyring==10.1 keyring==15.1.0
keyrings.alt==1.3 keyrings.alt==3.1
MarkupSafe==1.0 MarkupSafe==1.0
opencensus==0.1.5 opencensus==0.1.7
protobuf==3.6.0 protobuf==3.6.1
pyasn1==0.4.3 pyasn1==0.4.4
pyasn1-modules==0.2.2 pyasn1-modules==0.2.2
pycairo==1.17.1
pycparser==2.19
pycrypto==2.6.1 pycrypto==2.6.1
pygobject==3.22.0 PyGObject==3.30.1
pytz==2018.5 pytz==2018.5
pyxdg==0.25 pyxdg==0.26
requests==2.19.1 requests==2.19.1
rsa==3.4.2 rsa==4.0
SecretStorage==2.3.1 SecretStorage==2.3.1
six==1.11.0 six==1.11.0
urllib3==1.23 urllib3==1.23