update dockerfile for new build stuff

Dockerfile

@@ -1,30 +1,38 @@
-FROM rust:1 as builder
+FROM rust:1-alpine as builder
 
 # create empty projects
 RUN cargo new --bin go2
 WORKDIR /go2
-
 # copy package manifest in 
-COPY Cargo.toml Cargo.lock /go2
+COPY Cargo.toml Cargo.lock /go2/
+
 
+RUN apk add --no-cache musl-dev
 # build to cache deps
 RUN cargo build --release
 RUN rm src/*.rs
 
-# copy source code (and sqlx stuff) (and templates) in
+# install tailwind cli
+# from https://github.com/Angatar/tailwindcss/blob/main/Dockerfile
+RUN apk add --no-cache wget jq
+ARG TARGETPLATFORM
+RUN wget -O tailwindcss https://github.com/tailwindlabs/tailwindcss/releases/download/$(wget -q -O - https://api.github.com/repos/tailwindlabs/tailwindcss/releases/latest | jq -r ".tag_name")/tailwindcss-$(echo $TARGETPLATFORM|sed 's/linux\//linux-/'|sed 's/arm\/v[-,7,6]/armv7/'|sed 's/amd64/x64/') \
+    && chmod u+x tailwindcss
+
+# copy source code (and sqlx stuff) (and templates) (and static (css is build by cargo)) in
 COPY ./src ./src
 COPY ./.sqlx ./.sqlx
 COPY ./migrations ./migrations
 COPY ./templates ./templates
+COPY ./static ./static
 
 # build our code
 RUN rm ./target/release/deps/go2*
 RUN cargo build --release
 
 # new base, slimmer, no toolchains
-FROM debian:bullseye-slim
+FROM scratch
 COPY --from=builder /go2/target/release/go2 .
-COPY ./static ./static
-
+# static folder is built into binary
 
 CMD [ "./go2" ]