Set compose into a single file. Fix docker build stage orders so that…

… prod is default.

container/Dockerfile

@@ -22,8 +22,8 @@ COPY . /build/karapace-repo
 RUN --mount=type=cache,target=/root/.cache/pip \
     python3 -m pip install /build/karapace-repo
 
-# Karapace image, i.e. production.
-FROM python:3.10.11-slim-bullseye AS karapace
+
+FROM python:3.10.11-slim-bullseye AS karapace-base
 
 # Setup user and directories.
 RUN groupadd --system karapace \
@@ -65,14 +65,15 @@ RUN --mount=type=cache,target=/root/.cache/pip \
 
 
 # Dev build stage
-FROM karapace AS dev
+FROM karapace-base AS dev
 
 # Install linux dependencies
 USER root
 
+ARG OPENJDK_VERSION="11.0.22+7-1~deb11u1"
 RUN apt-get update \
  && apt-get install --assume-yes --no-install-recommends \
-    openjdk-11-jdk \
+    openjdk-11-jdk=$OPENJDK_VERSION \
  && rm -rf /var/lib/apt/lists/*
 
 USER karapace
@@ -82,3 +83,7 @@ COPY --from=dev-builder /venv /venv
 
 RUN mkdir /opt/karapace/app
 ENV PYTHONPATH="/opt/karapace/app:${PYTHONPATH}"
+
+
+# Production build stage (keep last so it's the default)
+FROM karapace-base AS karapace

container/compose.yml

@@ -59,6 +59,9 @@ services:
     build:
       context: ..
       dockerfile: container/Dockerfile
+      target: dev
+    volumes:
+      - ../:/opt/karapace/app
     entrypoint:
       - /bin/bash
       - /opt/karapace/start.sh
@@ -84,6 +87,9 @@ services:
     build:
       context: ..
       dockerfile: container/Dockerfile
+      target: dev
+    volumes:
+      - ../:/opt/karapace/app
     entrypoint:
       - /bin/bash
       - /opt/karapace/start.sh
@@ -102,3 +108,15 @@ services:
       KARAPACE_REGISTRY_PORT: 8081
       KARAPACE_ADMIN_METADATA_MAX_AGE: 0
       KARAPACE_LOG_LEVEL: WARNING
+
+  karapace-dev:
+    image: karapace:latest
+    build:
+      context: ..
+      dockerfile: container/Dockerfile
+      target: dev
+    volumes:
+      - ../:/opt/karapace/app
+    working_dir: /opt/karapace/app
+    depends_on:
+      - kafka