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use COPY instead of ADD, install pkgs then build

- using COPY instead of ADD, since working with local paths, and
    not extracting archived data
  - installing packages before building application binary improves caching,
    and avoids installing packages every time the application code changes

Signed-off-by: Anastas Dancha <anapsix@random.io>
This commit is contained in:
Anastas Dancha 2020-11-16 17:19:12 +03:00
parent 108a88ae57
commit 4a84368d24

View file

@ -1,9 +1,9 @@
# Build the go application into a binary # Build the go application into a binary
FROM golang:alpine as builder FROM golang:alpine as builder
WORKDIR /app
ADD . ./
RUN CGO_ENABLED=0 GOOS=linux go build -mod vendor -a -installsuffix cgo -o gatus .
RUN apk --update add ca-certificates RUN apk --update add ca-certificates
WORKDIR /app
COPY . ./
RUN CGO_ENABLED=0 GOOS=linux go build -mod vendor -a -installsuffix cgo -o gatus .
# Run Tests inside docker image if you don't have a configured go environment # Run Tests inside docker image if you don't have a configured go environment
#RUN apk update && apk add --virtual build-dependencies build-base gcc #RUN apk update && apk add --virtual build-dependencies build-base gcc