fix: build docker in docker

Author: MarcosNicolau

aggregation_mode/build.rs

@@ -3,6 +3,9 @@ use std::collections::HashMap;
 
 // Reference: https://docs.succinct.xyz/docs/sp1/writing-programs/compiling#advanced-build-options-1
 fn main() {
+    // If we are in docker, we don't want to build the programs with docker
+    let in_docker = std::env::var("IN_DOCKER").is_ok();
+
     sp1_build::build_program_with_args("./aggregation_programs/sp1", {
         sp1_build::BuildArgs {
             output_directory: Some("./aggregation_programs/sp1/elf".to_string()),
@@ -12,7 +15,7 @@ fn main() {
             ],
             // We use Docker to generate a reproducible ELF that will be identical across all platforms
             // (https://docs.succinct.xyz/docs/sp1/writing-programs/compiling#production-builds)
-            docker: true,
+            docker: !in_docker,
             ..Default::default()
         }
     });
@@ -21,10 +24,14 @@ fn main() {
     // regardless of the machine or local environment, will produce the same ImageID
     let docker_options = DockerOptionsBuilder::default().build().unwrap();
     // Reference: https://github.com/risc0/risc0/blob/main/risc0/build/src/config.rs#L73-L90
-    let guest_options = GuestOptionsBuilder::default()
-        .use_docker(docker_options)
-        .build()
-        .unwrap();
+    let guest_options = if !in_docker {
+        GuestOptionsBuilder::default()
+            .use_docker(docker_options)
+            .build()
+            .unwrap()
+    } else {
+        GuestOptionsBuilder::default().build().unwrap()
+    };
 
     risc0_build::embed_methods_with_options(HashMap::from([(
         "risc0_aggregation_program",

docker/proof-aggregator.Dockerfile

@@ -5,7 +5,7 @@ RUN apt update -y && apt install -y gcc
 COPY crates /aligned_layer/crates/
 COPY aggregation_mode /aligned_layer/aggregation_mode/
 WORKDIR /aligned_layer
-RUN cargo build --manifest-path ./aggregation_mode/Cargo.toml --features prove --release --bin proof_aggregator_cpu
+RUN IN_DOCKER=true cargo build --manifest-path ./aggregation_mode/Cargo.toml --features prove --release --bin proof_aggregator_cpu
 
 FROM debian:bookworm-slim AS final