Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Dockerfile for my phoenix + tailwindcss + purge css template repo
# STEP 1 - DEPS GETTER
FROM hexpm/elixir:1.10.2-erlang-22.2.7-alpine-3.11.3 AS deps-getter
# setup up variables
ARG APP_NAME
ARG APP_VSN
ARG PHOENIX_SUBDIR=.
ENV APP_NAME=${APP_NAME} \
APP_VSN=${APP_VSN}
# make directory
RUN mkdir /app
WORKDIR /app
# This step installs all the build tools we'll need
RUN apk update && \
apk upgrade --no-cache && \
apk add --no-cache \
git \
build-base && \
mix local.rebar --force && \
mix local.hex --force
# elixir create diretories
ENV MIX_ENV=prod
RUN mkdir \
/app/_build/ \
/app/config/ \
/app/lib/ \
/app/priv/ \
/app/deps/ \
/app/rel/ \
/app/assets
# install deps and compile deps
COPY mix.exs /app/mix.exs
COPY mix.lock /app/mix.lock
RUN mix do deps.get --only $MIX_ENV, deps.compile
RUN mix compile
################################################################################
# STEP 2 - ASSET BUILDER
FROM node:10 AS asset-builder
RUN mkdir /app
WORKDIR /app
# install latest version of yarn
RUN npm i -g yarn --force
COPY --from=deps-getter /app/assets /app/assets
COPY --from=deps-getter /app/priv /app/priv
COPY --from=deps-getter /app/deps /app/deps
# assets -- install javascript deps
COPY assets/package.json /app/assets/package.json
COPY assets/yarn.lock /app/assets/yarn.lock
RUN cd /app/assets && \
yarn install
# assets -- copy asset files so purgecss doesnt remove css files
COPY lib/phxtmpl_web/templates/ /app/lib/phxtmpl_web/templates/
COPY lib/phxtmpl_web/views/ /app/lib/phxtmpl_web/views/
# assets -- build assets
COPY assets /app/assets
RUN cd /app/assets && yarn deploy
################################################################################
# STEP 3 - RELEASE BUILDER
FROM hexpm/elixir:1.10.2-erlang-22.2.7-alpine-3.11.3 AS release-builder
ENV MIX_ENV=prod
RUN mkdir /app
WORKDIR /app
# setup up variables
ARG APP_NAME
ARG APP_VSN
ENV APP_NAME=${APP_NAME} \
APP_VSN=${APP_VSN}
# need to install deps again to run mix phx.digest
RUN apk update && \
apk upgrade --no-cache && \
apk add --no-cache \
git \
build-base && \
mix local.rebar --force && \
mix local.hex --force
# copy elixir deps
COPY --from=deps-getter /app /app
# copy config, priv and release directories
COPY config /app/config
COPY priv /app/priv
COPY rel /app/rel
# copy built assets
COPY --from=asset-builder /app/priv/static /app/priv/static
RUN mix phx.digest
# copy application code
COPY lib /app/lib
# create release
RUN mkdir -p /opt/built &&\
mix release ${APP_NAME} &&\
cp -r _build/prod/rel/${APP_NAME} /opt/built
################################################################################
## STEP 4 - FINAL
FROM alpine:3.11.3
ENV MIX_ENV=prod
RUN apk update && \
apk add --no-cache \
bash \
openssl-dev
COPY --from=release-builder /opt/built /app
WORKDIR /app
CMD ["/app/phxtmpl/bin/phxtmpl", "start"]
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.