Dockerfile

 1FROM golang:1-alpine AS build
 2WORKDIR /src
 3COPY go.mod go.sum ./
 4RUN go mod download
 5COPY . .
 6RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /gallery ./cmd/gallery
 7
 8FROM alpine:3
 9RUN apk add --no-cache imagemagick imagemagick-jpeg imagemagick-heic imagemagick-webp exiftool
10COPY --from=build /gallery /usr/local/bin/gallery
11RUN addgroup -g 1000 gallery && adduser -D -H -u 1000 -G gallery gallery
12USER gallery
13ENV GALLERY_PHOTOS=/photos GALLERY_CACHE=/cache GALLERY_ADDR=:8080
14EXPOSE 8080
15ENTRYPOINT ["gallery"]