Dockerfile

# Dockerfile for gotify production
FROM golang:alpine3.21 AS buildStage
LABEL maintainer="digIT <digit@chalmers.it>"

# Install git
RUN apk update
RUN apk upgrade
RUN apk add --update git

# Copy sources
RUN mkdir -p $GOPATH/src/github.com/cthit/gotify
COPY . $GOPATH/src/github.com/cthit/gotify
WORKDIR $GOPATH/src/github.com/cthit/gotify/cmd

# Build binary
RUN go install -v
RUN mkdir /app && mv $GOPATH/bin/cmd /app/gotify

##########################
#    PRODUCTION STAGE    #
##########################
FROM alpine
LABEL maintainer="digIT <digit@chalmers.it>"

# Add standard certificates
RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*

# Set user
RUN addgroup -S app
RUN adduser -S -G app -s /bin/bash app
USER app:app

# Copy binary
COPY --from=buildStage /app/gotify /app/gotify

# Set good defaults
WORKDIR /app
ENTRYPOINT /app/gotify