Compose 5.3 adds pre_start, a lifecycle hook that runs as its own ephemeral init container before the service starts.

What happens between a password manager and a Compose service: runtime providers, tmpfs files, container layers, and application delivery.

Tired of re-explaining Symfony guidelines to Claude or Codex? Learn how the LLM Wiki pattern gives your AI agents lightweight, persistent memory.

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Comment j'ai transformé 20 ans de code reviews Symfony en assistant IA local avec PHP, Ollama et Qdrant — sans GPU.

Why interactive services in Compose need both tty: true and stdin_open: true — the Compose equivalent of docker run -it.

Pull files from images, OCI layouts, git repos, or other Compose services into a Dockerfile build with additional_contexts and COPY --from=.

Beyond docker compose run service cmd: the flags that turn it into a precise one-shot tool — --rm, --service-ports, --entrypoint, --build, --no-deps.

Set defaults for Compose CLI flags via COMPOSE_FILE, COMPOSE_PROJECT_NAME, COMPOSE_PROFILES, and a handful of other variables that follow you across shells and CI.

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Use volume.subpath to mount a sub-directory of a named volume into a container, instead of the whole volume root.

What docker compose down actually removes, and the flags that decide whether you keep your data, your images, and your sibling services.

Hide noisy service logs from docker compose up without losing access to them, using attach in the Compose file or attach flags on the CLI.

Inspect every Compose stack running on the host with docker compose ls, filter by name, and script around the output with json + jq.

Understand the difference between expose and ports in Compose: one documents intent, the other actually publishes a port to the host.

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Deploy a Compose file that declares LLMs to Kubernetes — either with the Docker Desktop host Model Runner or as a standalone in-cluster service — using Compose Bridge.

Bootstrap a custom Compose Bridge transformer, fold organisation-specific rules into the templates, and use x-* extension fields to drive the output.

What Compose Bridge is, how its transformer images work, and how to generate Kubernetes manifests directly from a Compose file.

Share process and IPC namespaces between containers for debugging, profiling, and shared memory workloads

What's Changed fix: walk class hierarchy to discover NormalizeGotenbergPayload methods by @Jean-Beru in #246 feat: Allow custom XMP metadata keys for Factur-X by @Jean-Beru in #245 feat: Allow to ...

Block until a service exits and propagate its exit code, perfect for migration containers and CI jobs

Stop wasting time with git stash. Learn how to combine Git Worktrees and AI coding agents like Claude Code to run parallel development sessions with zero friction.

Mount NFS shares as Compose volumes for shared storage across hosts using the built-in local driver

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Copy files in and out of containers without bind mounts or volumes using docker compose cp

Adjust kernel resource limits and shared memory size for containers that need more than the defaults

Give a service multiple hostnames on a network with aliases, useful for migrations and legacy hostnames

Manage external dependencies like Kubernetes intercepts, managed databases, and VPN tunnels declaratively with the provider directive

Declare and connect LLMs to your services using the new Compose models top-level key

Understand the subtle but important difference between entrypoint and command, and when to use each

Mount config files into containers declaratively with the configs top-level key, no volumes required

Monitor CPU, memory, and processes in your Compose stack with docker compose top and docker compose stats

Go beyond a single .env file, multiple files, optional loading, formats, and precedence rules

Go beyond validation with docker compose config, list services, hash, resolve digests, and filter output

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Use --dry-run to see what Compose will do before it actually does it

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Control project naming and working directory to avoid conflicts and organize multi-environment setups

Use Compose override files to create a dedicated CI environment with seeded database and automated tests