Build with alpine

Author: edvgui

docker/Dockerfile

@@ -11,30 +11,21 @@ ARG __TARGETPLATFORM_DASHES=${TARGETPLATFORM/\//-}
 ARG __TARGETPLATFORM_GO_NOTATION=${__TARGETPLATFORM_DASHES/arm\/v7/arm-7}
 
 # --- Go Builder ---
-FROM --platform=${BUILDPLATFORM} docker.io/golang:${GO_VERSION} AS builder
+FROM --platform=${BUILDPLATFORM} docker.io/golang:${GO_VERSION}-alpine AS builder
 
 ARG LD_FLAGS=""
-ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update && apt-get install -yq --no-install-recommends \
-    ca-certificates \
-    git
+RUN apk add --no-cache ca-certificates git make bash
 
 COPY . /src/gotify
 
 RUN cd /src/gotify && \
     LD_FLAGS=${LD_FLAGS} make OUTPUT=/target/app/gotify-cli _build_within_docker
 
-FROM debian:${DEBIAN}
+FROM docker.io/library/alpine:latest
 
-WORKDIR /app
+RUN apk add --no-cache ca-certificates
 
-RUN export DEBIAN_FRONTEND=noninteractive && apt-get update && apt-get install -yq --no-install-recommends \
-    tzdata \
-    curl \
-    ca-certificates && \
-    rm -rf /var/lib/apt/lists/*
+COPY --from=builder /target/app/gotify-cli /gotify-cli
 
-COPY --from=builder /target /
-
-ENTRYPOINT ["./gotify-cli"]
+ENTRYPOINT ["/gotify-cli"]