[#16] tried changing dockerfile to buildkit (WIP)

Dockerfile

@@ -1,3 +1,5 @@
+# syntax = docker/dockerfile:1.2
+
 # We use a multi-stage build to end up with a very small final image
 FROM alpine:latest AS builder
 
@@ -18,8 +20,8 @@ COPY src/ ./src/
 # Thank the lords that this article exists
 # https://users.rust-lang.org/t/sigsegv-with-program-linked-against-openssl-in-an-alpine-container/52172
 # TODO add what these flags do & why they work
-RUN RUSTFLAGS="-C target-feature=-crt-static" cargo test && \
-    RUSTFLAGS="-C target-feature=-crt-static" cargo build --release --bin fej
+RUN --mount=type=cache,target=/usr/src/app/target RUSTFLAGS="-C target-feature=-crt-static" cargo test && \
+    RUSTFLAGS="-C target-feature=-crt-static" cargo install --path . --bin fej --root /usr/local/bin
 
 
 # Now, we create the actual image
@@ -29,6 +31,6 @@ FROM alpine:latest
 RUN apk update && apk add --no-cache openssl libgcc
 
 # Copy binary over to final image
-COPY --from=builder /usr/src/app/target/release/fej /usr/local/bin/fej
+COPY --from=builder /usr/local/bin/fej /usr/local/bin/fej
 
 CMD ["/usr/local/bin/fej"]

build

@@ -26,7 +26,7 @@ else
 fi
 
 # Run the actual build command
-docker build -t "$1:$tags" .
+DOCKER_BUILDKIT=1 docker build -t "$1:$tags" .
 
 if [[ "$2" = push ]]; then
     [[ "$branch" =~ ^develop|master$ ]] || {

src/ivago/README.md

@@ -1,5 +1,5 @@
 # Ivago
 
 This part of the API is a wrapper around the Ivago website (Ivago being the
-company that collects the trash in my city). Their city isn't exactly RESTful,
+company that collects the trash in my city). Their site isn't exactly RESTful,
 so this endpoint simply wraps it in a RESTful wrapper.