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implement full docker build #514

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implement full docker build #514

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2 changes: 0 additions & 2 deletions .dockerignore
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Original file line number Diff line number Diff line change
@@ -1,2 +0,0 @@
# We don't use this repo's files to build the Docker image, we just gem install
*
30 changes: 24 additions & 6 deletions Dockerfile
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FROM ruby:3.0-alpine
MAINTAINER Samuel Cochran <[email protected]>
### BUILD
FROM ruby:3.0-alpine as build

ARG VERSION=0.8.2
RUN apk update --no-cache --force \
&& apk add --no-cache \
build-base \
sqlite-libs \
sqlite-dev

RUN apk add --no-cache build-base sqlite-libs sqlite-dev && \
gem install mailcatcher -v $VERSION && \
apk del --rdepends --purge build-base sqlite-dev
WORKDIR /app
COPY . .
RUN gem build mailcatcher.gemspec --output=mailcatcher.gem

## FINAL
FROM ruby:3.0-alpine as final
LABEL maintainer="Samuel Cochran <[email protected]>"

WORKDIR /app
COPY --from=build /app/mailcatcher.gem /app/mailcatcher.gem
RUN apk update --no-cache --force \
&& apk add sqlite-libs \
&& apk add --no-cache --virtual build \
build-base \
sqlite-dev \
&& gem install /app/mailcatcher.gem \
&& apk del build

EXPOSE 1025 1080

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