refactor(build): use FHS for deployments and artifacts (#4786)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

docker/Dockerfile

@@ -9,7 +9,7 @@
 # This stage implements cargo-chef for docker layer caching
 FROM rust:bullseye as chef
 RUN cargo install cargo-chef --locked
-WORKDIR /app
+WORKDIR /opt/zebrad
 
 # Analyze the current project to determine the minimum subset of files
 # (Cargo.lock and Cargo.toml manifests) required to build it and cache dependencies
@@ -25,7 +25,7 @@ RUN cargo chef prepare --recipe-path recipe.json
 # We set defaults for the arguments, in case the build does not include this information.
 FROM chef AS deps
 SHELL ["/bin/bash", "-xo", "pipefail", "-c"]
-COPY --from=planner /app/recipe.json recipe.json
+COPY --from=planner /opt/zebrad/recipe.json recipe.json
 
 # Install zebra build deps
 RUN apt-get -qq update && \
@@ -82,7 +82,7 @@ ENV CHECKPOINT_SYNC ${CHECKPOINT_SYNC:-true}
 ARG NETWORK
 ENV NETWORK ${NETWORK:-Mainnet}
 
-ENV CARGO_HOME /app/.cargo/
+ENV CARGO_HOME /opt/zebrad/.cargo/
 
 # In this stage we build tests (without running then)
 #
@@ -129,7 +129,7 @@ RUN cargo build --locked --release --features sentry --package zebrad --bin zebr
 # To save space, this step starts from scratch using debian, and only adds the resulting
 # binary from the `release` stage, and the Zcash Sprout & Sapling parameters from ZCash
 FROM debian:bullseye-slim AS runtime
-COPY --from=release /app/target/release/zebrad /usr/local/bin
+COPY --from=release /opt/zebrad/target/release/zebrad /usr/local/bin
 COPY --from=us-docker.pkg.dev/zealous-zebra/zebra/zcash-params /root/.zcash-params /root/.zcash-params
 
 RUN apt-get update && \

docker/zcash-lightwalletd/Dockerfile

@@ -24,7 +24,7 @@ RUN go mod download
 COPY . ./
 
 # Build and install the binary.
-RUN go build -v -o /lightwalletd
+RUN go build -v -o /opt/lightwalletd
 
 ARG ZCASHD_CONF_PATH
 
@@ -51,7 +51,7 @@ ARG LWD_HTTP_PORT
 
 WORKDIR /
 
-COPY --from=build /lightwalletd /usr/local/bin
+COPY --from=build /opt/lightwalletd /usr/local/bin
 COPY --from=build $ZCASHD_CONF_PATH ./
 
 EXPOSE 9067

docker/zcash-params/Dockerfile

@@ -2,14 +2,14 @@
 # This image is for caching Zcash Sprout and Sapling parameters
 FROM rust:bullseye as chef
 RUN cargo install cargo-chef --locked
-WORKDIR /app
+WORKDIR /opt/zebrad
 
 FROM chef AS planner
 COPY . .
 RUN cargo chef prepare --recipe-path recipe.json
 
 FROM chef AS release
-COPY --from=planner /app/recipe.json recipe.json
+COPY --from=planner /opt/zebrad/recipe.json recipe.json
 
 # Install zebra build deps
 RUN apt-get -qq update && \
@@ -21,7 +21,7 @@ RUN apt-get -qq update && \
     ; \
     rm -rf /var/lib/apt/lists/* /tmp/*
 
-ENV CARGO_HOME /app/.cargo/
+ENV CARGO_HOME /opt/zebrad/.cargo/
 # Build dependencies - this is the caching Docker layer!
 RUN cargo chef cook --release --features sentry --package zebrad --recipe-path recipe.json