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Cleanup: Set all default values in Dockerfile

pull/79/head
gw0 2021-02-18 16:04:28 +01:00
parent c1a433dc9c
commit b335f0e07e
2 changed files with 8 additions and 7 deletions
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10
Dockerfile
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@ -13,7 +13,7 @@ LABEL org.opencontainers.image.source https://github.com/rpardini/docker-registr
RUN apk add --no-cache --update bash ca-certificates-bundle coreutils openssl
# If set to 1, enables building mitmproxy, which helps a lot in debugging, but is super heavy to build.
ARG DEBUG_BUILD="1"
ARG DEBUG_BUILD="0"
ENV DO_DEBUG_BUILD="$DEBUG_BUILD"
# Build mitmproxy via pip. This is heavy, takes minutes do build and creates a 90mb+ layer. Oh well.
@ -60,9 +60,10 @@ EXPOSE 8082
## Default envs.
# A space delimited list of registries we should proxy and cache; this is in addition to the central DockerHub.
ENV REGISTRIES="k8s.gcr.io gcr.io quay.io"
ENV REGISTRIES="docker.caching.proxy.internal registry-1.docker.io auth.docker.io k8s.gcr.io gcr.io quay.io gitlab.com"
# A space delimited list of registry:user:password to inject authentication for
ENV AUTH_REGISTRIES="some.authenticated.registry:oneuser:onepassword another.registry:user:password"
# (e.g. AUTH_REGISTRIES="auth.docker.io:dhuser:dhpass gitlab.com:gluser:glpass")
ENV AUTH_REGISTRIES=""
# Should we verify upstream's certificates? Default to true.
ENV VERIFY_SSL="true"
# Enable debugging mode; this inserts mitmproxy/mitmweb between the CONNECT proxy and the caching layer
@ -72,6 +73,9 @@ ENV DEBUG_HUB="false"
# Enable nginx debugging mode; this uses nginx-debug binary and enabled debug logging, which is VERY verbose so separate setting
ENV DEBUG_NGINX="false"
# Set Docker Registry cache size, by default, 32 GB ('32g')
ENV CACHE_MAX_SIZE="32g"
# Manifest caching tiers. Disabled by default, to mimick 0.4/0.5 behaviour.
# Setting it to true enables the processing of the ENVs below.
# Once enabled, it is valid for all registries, not only DockerHub.

5
entrypoint.sh
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@ -36,7 +36,7 @@ ALLDOMAINS=""
echo -n "" > /etc/nginx/docker.intercept.map
# Some hosts/registries are always needed, but others can be configured in env var REGISTRIES
for ONEREGISTRYIN in docker.caching.proxy.internal registry-1.docker.io auth.docker.io ${REGISTRIES}; do
for ONEREGISTRYIN in ${REGISTRIES}; do
ONEREGISTRY=$(echo ${ONEREGISTRYIN} | xargs) # Remove whitespace
echo "Adding certificate for registry: $ONEREGISTRY"
ALLDOMAINS="${ALLDOMAINS},DNS:${ONEREGISTRY}"
@ -87,9 +87,6 @@ fi
echo " listen 443 ssl default_server;" > /etc/nginx/caching.layer.listen
echo "error_log /var/log/nginx/error.log warn;" > /etc/nginx/error.log.debug.warn
# Set Docker Registry cache size, by default, 32 GB ('32g')
CACHE_MAX_SIZE=${CACHE_MAX_SIZE:-32g}
# The cache directory. This can get huge. Better to use a Docker volume pointing here!
# Set to 32gb which should be enough
echo "proxy_cache_path /docker_mirror_cache levels=1:2 max_size=$CACHE_MAX_SIZE inactive=60d keys_zone=cache:10m use_temp_path=off;" > /etc/nginx/conf.d/cache_max_size.conf