dockerfile.development

############################
# STEP 1 build executable binary
############################
FROM golang:1.15-alpine as builder
# Setup env
ENV GO111MODULE=on \
    CGO_ENABLED=0 \
    GOOS=linux \
    GOARCH=amd64 
# Install git + SSL ca certificates.
# Git is required for fetching the dependencies.
# Ca-certificates is required to call HTTPS endpoints.
RUN apk update && apk add --no-cache git ca-certificates && update-ca-certificates
RUN apk add --no-cache autoconf automake libtool gettext gettext-dev make g++ texinfo curl
# Create appuser
ENV USER=appuser
ENV UID=10001
# See https://stackoverflow.com/a/55757473/12429735RUN 
RUN adduser \    
    --disabled-password \    
    --gecos "" \    
    --home "/nonexistent" \    
    --shell "/sbin/nologin" \    
    --no-create-home \    
    --uid "${UID}" \    
    "${USER}"
WORKDIR /src/myapp/
COPY . .
# Fetch dependencies.
RUN go mod download
RUN go mod verify
# Package hot reload
RUN go get github.com/cespare/reflex
# Build the binary
# RUN GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o app
# Command to run when starting the container
# CMD ["make", "watch"]