add frontlas docker images

images/Dockerfile.frontlas

@@ -0,0 +1,28 @@
+FROM golang:1.22.0 AS builder
+
+# an automatic platform ARG enabled by Docker BuildKit.
+ARG TARGETOS
+# an automatic platform ARG enabled by Docker BuildKit.
+ARG TARGETARCH
+
+ENV GO111MODULE=on \
+    GOPROXY=https://goproxy.io,direct
+
+WORKDIR /go/src/github.com/singchia/frontlas
+RUN --mount=type=bind,readwrite,target=/go/src/github.com/singchia/frontlas \
+    make DESTDIR=/tmp/install all install-frontlas
+
+FROM alpine:3.14
+
+COPY --from=builder /tmp/install/ /
+
+RUN apk --no-cache add ca-certificates wget
+RUN wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
+RUN wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.34-r0/glibc-2.34-r0.apk
+RUN apk add glibc-2.34-r0.apk
+
+EXPOSE 30020
+EXPOSE 30021
+
+ENTRYPOINT ["/usr/bin/frontlas"]
+CMD ["--config", "/usr/conf/frontlas.yaml"]